Home / 10,372.50-14,314.05-6,646.74

Finding the Fourth Proportional to 10,372.50, 14,314.05 and 6,646.74

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Solution

The fourth proportional to 10,372.50, 14,314.05 and 6,646.74 is: 9,172.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,372.50 : 14,314.05 = 6,646.74 : x
  2. Step 2: Convert to fraction form
    10,372.50/14,314.05 = 6,646.74/x
  3. Step 3: Cross multiply
    10,372.50x = 14,314.05 × 6,646.74
  4. Step 4: Simplify right side
    10,372.50x = 95,141,768.70
  5. Step 5: Solve for x
    x = 95,141,768.70/10,372.50
  6. Step 6: Final answer
    x = 9,172.50

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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.