Home / 10,478.08-14,459.52-6,284.80

Finding the Fourth Proportional to 10,478.08, 14,459.52 and 6,284.80

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Solution

The fourth proportional to 10,478.08, 14,459.52 and 6,284.80 is: 8,672.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,478.08 : 14,459.52 = 6,284.80 : x
  2. Step 2: Convert to fraction form
    10,478.08/14,459.52 = 6,284.80/x
  3. Step 3: Cross multiply
    10,478.08x = 14,459.52 × 6,284.80
  4. Step 4: Simplify right side
    10,478.08x = 90,875,191.30
  5. Step 5: Solve for x
    x = 90,875,191.30/10,478.08
  6. Step 6: Final answer
    x = 8,672.89

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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.