Home / 14,780.04-22,206.76-13,121.16

Finding the Fourth Proportional to 14,780.04, 22,206.76 and 13,121.16

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Solution

The fourth proportional to 14,780.04, 22,206.76 and 13,121.16 is: 19,714.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,780.04 : 22,206.76 = 13,121.16 : x
  2. Step 2: Convert to fraction form
    14,780.04/22,206.76 = 13,121.16/x
  3. Step 3: Cross multiply
    14,780.04x = 22,206.76 × 13,121.16
  4. Step 4: Simplify right side
    14,780.04x = 291,378,451.04
  5. Step 5: Solve for x
    x = 291,378,451.04/14,780.04
  6. Step 6: Final answer
    x = 19,714.32

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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.