Home / 15,437.90-21,304.65-9,066.32

Finding the Fourth Proportional to 15,437.90, 21,304.65 and 9,066.32

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Solution

The fourth proportional to 15,437.90, 21,304.65 and 9,066.32 is: 12,511.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,437.90 : 21,304.65 = 9,066.32 : x
  2. Step 2: Convert to fraction form
    15,437.90/21,304.65 = 9,066.32/x
  3. Step 3: Cross multiply
    15,437.90x = 21,304.65 × 9,066.32
  4. Step 4: Simplify right side
    15,437.90x = 193,154,774.39
  5. Step 5: Solve for x
    x = 193,154,774.39/15,437.90
  6. Step 6: Final answer
    x = 12,511.73

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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.