Home / 15,567.09-21,482.48-8,852.71

Finding the Fourth Proportional to 15,567.09, 21,482.48 and 8,852.71

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Solution

The fourth proportional to 15,567.09, 21,482.48 and 8,852.71 is: 12,216.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,567.09 : 21,482.48 = 8,852.71 : x
  2. Step 2: Convert to fraction form
    15,567.09/21,482.48 = 8,852.71/x
  3. Step 3: Cross multiply
    15,567.09x = 21,482.48 × 8,852.71
  4. Step 4: Simplify right side
    15,567.09x = 190,178,165.52
  5. Step 5: Solve for x
    x = 190,178,165.52/15,567.09
  6. Step 6: Final answer
    x = 12,216.68

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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.