Home / 10,354.04-15,531.06-7,240.08

Finding the Fourth Proportional to 10,354.04, 15,531.06 and 7,240.08

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Solution

The fourth proportional to 10,354.04, 15,531.06 and 7,240.08 is: 10,860.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,354.04 : 15,531.06 = 7,240.08 : x
  2. Step 2: Convert to fraction form
    10,354.04/15,531.06 = 7,240.08/x
  3. Step 3: Cross multiply
    10,354.04x = 15,531.06 × 7,240.08
  4. Step 4: Simplify right side
    10,354.04x = 112,446,116.88
  5. Step 5: Solve for x
    x = 112,446,116.88/10,354.04
  6. Step 6: Final answer
    x = 10,860.13

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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.