Home / 21,482.38-32,210.34-7,439.14

Finding the Fourth Proportional to 21,482.38, 32,210.34 and 7,439.14

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Solution

The fourth proportional to 21,482.38, 32,210.34 and 7,439.14 is: 11,154.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,482.38 : 32,210.34 = 7,439.14 : x
  2. Step 2: Convert to fraction form
    21,482.38/32,210.34 = 7,439.14/x
  3. Step 3: Cross multiply
    21,482.38x = 32,210.34 × 7,439.14
  4. Step 4: Simplify right side
    21,482.38x = 239,617,228.71
  5. Step 5: Solve for x
    x = 239,617,228.71/21,482.38
  6. Step 6: Final answer
    x = 11,154.13

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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.