Home / 12,068.79-16,649.28-7,527.75

Finding the Fourth Proportional to 12,068.79, 16,649.28 and 7,527.75

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Solution

The fourth proportional to 12,068.79, 16,649.28 and 7,527.75 is: 10,384.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,068.79 : 16,649.28 = 7,527.75 : x
  2. Step 2: Convert to fraction form
    12,068.79/16,649.28 = 7,527.75/x
  3. Step 3: Cross multiply
    12,068.79x = 16,649.28 × 7,527.75
  4. Step 4: Simplify right side
    12,068.79x = 125,331,617.52
  5. Step 5: Solve for x
    x = 125,331,617.52/12,068.79
  6. Step 6: Final answer
    x = 10,384.77

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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.