Home / 14,281.12-21,407.10-7,248.16

Finding the Fourth Proportional to 14,281.12, 21,407.10 and 7,248.16

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Solution

The fourth proportional to 14,281.12, 21,407.10 and 7,248.16 is: 10,864.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,281.12 : 21,407.10 = 7,248.16 : x
  2. Step 2: Convert to fraction form
    14,281.12/21,407.10 = 7,248.16/x
  3. Step 3: Cross multiply
    14,281.12x = 21,407.10 × 7,248.16
  4. Step 4: Simplify right side
    14,281.12x = 155,162,085.94
  5. Step 5: Solve for x
    x = 155,162,085.94/14,281.12
  6. Step 6: Final answer
    x = 10,864.84

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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.