Home / 15,447.90-23,182.65-6,689.10

Finding the Fourth Proportional to 15,447.90, 23,182.65 and 6,689.10

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Solution

The fourth proportional to 15,447.90, 23,182.65 and 6,689.10 is: 10,038.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,447.90 : 23,182.65 = 6,689.10 : x
  2. Step 2: Convert to fraction form
    15,447.90/23,182.65 = 6,689.10/x
  3. Step 3: Cross multiply
    15,447.90x = 23,182.65 × 6,689.10
  4. Step 4: Simplify right side
    15,447.90x = 155,071,064.12
  5. Step 5: Solve for x
    x = 155,071,064.12/15,447.90
  6. Step 6: Final answer
    x = 10,038.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.