Home / 15,280.24-21,088.48-8,567.68

Finding the Fourth Proportional to 15,280.24, 21,088.48 and 8,567.68

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Solution

The fourth proportional to 15,280.24, 21,088.48 and 8,567.68 is: 11,824.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,280.24 : 21,088.48 = 8,567.68 : x
  2. Step 2: Convert to fraction form
    15,280.24/21,088.48 = 8,567.68/x
  3. Step 3: Cross multiply
    15,280.24x = 21,088.48 × 8,567.68
  4. Step 4: Simplify right side
    15,280.24x = 180,679,348.33
  5. Step 5: Solve for x
    x = 180,679,348.33/15,280.24
  6. Step 6: Final answer
    x = 11,824.38

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.