Home / 10,437.08-14,400-6,456.80

Finding the Fourth Proportional to 10,437.08, 14,400 and 6,456.80

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Solution

The fourth proportional to 10,437.08, 14,400 and 6,456.80 is: 8,908.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,437.08 : 14,400 = 6,456.80 : x
  2. Step 2: Convert to fraction form
    10,437.08/14,400 = 6,456.80/x
  3. Step 3: Cross multiply
    10,437.08x = 14,400 × 6,456.80
  4. Step 4: Simplify right side
    10,437.08x = 92,977,920
  5. Step 5: Solve for x
    x = 92,977,920/10,437.08
  6. Step 6: Final answer
    x = 8,908.42

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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.