Home / 10,013.04-15,074.64-8,788.32

Finding the Fourth Proportional to 10,013.04, 15,074.64 and 8,788.32

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Solution

The fourth proportional to 10,013.04, 15,074.64 and 8,788.32 is: 13,230.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,013.04 : 15,074.64 = 8,788.32 : x
  2. Step 2: Convert to fraction form
    10,013.04/15,074.64 = 8,788.32/x
  3. Step 3: Cross multiply
    10,013.04x = 15,074.64 × 8,788.32
  4. Step 4: Simplify right side
    10,013.04x = 132,480,760.20
  5. Step 5: Solve for x
    x = 132,480,760.20/10,013.04
  6. Step 6: Final answer
    x = 13,230.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.