Home / 15,130.72-22,695.04-9,288.16

Finding the Fourth Proportional to 15,130.72, 22,695.04 and 9,288.16

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Solution

The fourth proportional to 15,130.72, 22,695.04 and 9,288.16 is: 13,931.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,130.72 : 22,695.04 = 9,288.16 : x
  2. Step 2: Convert to fraction form
    15,130.72/22,695.04 = 9,288.16/x
  3. Step 3: Cross multiply
    15,130.72x = 22,695.04 × 9,288.16
  4. Step 4: Simplify right side
    15,130.72x = 210,795,162.73
  5. Step 5: Solve for x
    x = 210,795,162.73/15,130.72
  6. Step 6: Final answer
    x = 13,931.60

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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.