Home / 14,665.12-22,002.72-4,278.40

Finding the Fourth Proportional to 14,665.12, 22,002.72 and 4,278.40

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Solution

The fourth proportional to 14,665.12, 22,002.72 and 4,278.40 is: 6,419.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,665.12 : 22,002.72 = 4,278.40 : x
  2. Step 2: Convert to fraction form
    14,665.12/22,002.72 = 4,278.40/x
  3. Step 3: Cross multiply
    14,665.12x = 22,002.72 × 4,278.40
  4. Step 4: Simplify right side
    14,665.12x = 94,136,437.25
  5. Step 5: Solve for x
    x = 94,136,437.25/14,665.12
  6. Step 6: Final answer
    x = 6,419.07

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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.