Home / 10,947.60-16,423.80-4,372.08

Finding the Fourth Proportional to 10,947.60, 16,423.80 and 4,372.08

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Solution

The fourth proportional to 10,947.60, 16,423.80 and 4,372.08 is: 6,559.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,947.60 : 16,423.80 = 4,372.08 : x
  2. Step 2: Convert to fraction form
    10,947.60/16,423.80 = 4,372.08/x
  3. Step 3: Cross multiply
    10,947.60x = 16,423.80 × 4,372.08
  4. Step 4: Simplify right side
    10,947.60x = 71,806,167.50
  5. Step 5: Solve for x
    x = 71,806,167.50/10,947.60
  6. Step 6: Final answer
    x = 6,559.08

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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.