Home / 10,528.60-14,531.34-6,279.92

Finding the Fourth Proportional to 10,528.60, 14,531.34 and 6,279.92

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Solution

The fourth proportional to 10,528.60, 14,531.34 and 6,279.92 is: 8,667.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,528.60 : 14,531.34 = 6,279.92 : x
  2. Step 2: Convert to fraction form
    10,528.60/14,531.34 = 6,279.92/x
  3. Step 3: Cross multiply
    10,528.60x = 14,531.34 × 6,279.92
  4. Step 4: Simplify right side
    10,528.60x = 91,255,652.69
  5. Step 5: Solve for x
    x = 91,255,652.69/10,528.60
  6. Step 6: Final answer
    x = 8,667.41

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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.