Home / 15,567.17-21,482.16-8,852.68

Finding the Fourth Proportional to 15,567.17, 21,482.16 and 8,852.68

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Solution

The fourth proportional to 15,567.17, 21,482.16 and 8,852.68 is: 12,216.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,567.17 : 21,482.16 = 8,852.68 : x
  2. Step 2: Convert to fraction form
    15,567.17/21,482.16 = 8,852.68/x
  3. Step 3: Cross multiply
    15,567.17x = 21,482.16 × 8,852.68
  4. Step 4: Simplify right side
    15,567.17x = 190,174,580.78
  5. Step 5: Solve for x
    x = 190,174,580.78/15,567.17
  6. Step 6: Final answer
    x = 12,216.39

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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.