Home / 10,400.04-15,569.31-6,691.32

Finding the Fourth Proportional to 10,400.04, 15,569.31 and 6,691.32

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Solution

The fourth proportional to 10,400.04, 15,569.31 and 6,691.32 is: 10,017.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,400.04 : 15,569.31 = 6,691.32 : x
  2. Step 2: Convert to fraction form
    10,400.04/15,569.31 = 6,691.32/x
  3. Step 3: Cross multiply
    10,400.04x = 15,569.31 × 6,691.32
  4. Step 4: Simplify right side
    10,400.04x = 104,179,235.39
  5. Step 5: Solve for x
    x = 104,179,235.39/10,400.04
  6. Step 6: Final answer
    x = 10,017.20

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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.