Home / 18,746.04-28,102.68-9,987.24

Finding the Fourth Proportional to 18,746.04, 28,102.68 and 9,987.24

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Solution

The fourth proportional to 18,746.04, 28,102.68 and 9,987.24 is: 14,972.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,746.04 : 28,102.68 = 9,987.24 : x
  2. Step 2: Convert to fraction form
    18,746.04/28,102.68 = 9,987.24/x
  3. Step 3: Cross multiply
    18,746.04x = 28,102.68 × 9,987.24
  4. Step 4: Simplify right side
    18,746.04x = 280,668,209.80
  5. Step 5: Solve for x
    x = 280,668,209.80/18,746.04
  6. Step 6: Final answer
    x = 14,972.13

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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.