Home / 14,330.39-19,776.01-8,280.15

Finding the Fourth Proportional to 14,330.39, 19,776.01 and 8,280.15

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Solution

The fourth proportional to 14,330.39, 19,776.01 and 8,280.15 is: 11,426.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,330.39 : 19,776.01 = 8,280.15 : x
  2. Step 2: Convert to fraction form
    14,330.39/19,776.01 = 8,280.15/x
  3. Step 3: Cross multiply
    14,330.39x = 19,776.01 × 8,280.15
  4. Step 4: Simplify right side
    14,330.39x = 163,748,265.39
  5. Step 5: Solve for x
    x = 163,748,265.39/14,330.39
  6. Step 6: Final answer
    x = 11,426.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.