Home / 10,478.25-14,451.35-6,283.53

Finding the Fourth Proportional to 10,478.25, 14,451.35 and 6,283.53

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Solution

The fourth proportional to 10,478.25, 14,451.35 and 6,283.53 is: 8,666.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,478.25 : 14,451.35 = 6,283.53 : x
  2. Step 2: Convert to fraction form
    10,478.25/14,451.35 = 6,283.53/x
  3. Step 3: Cross multiply
    10,478.25x = 14,451.35 × 6,283.53
  4. Step 4: Simplify right side
    10,478.25x = 90,805,459.85
  5. Step 5: Solve for x
    x = 90,805,459.85/10,478.25
  6. Step 6: Final answer
    x = 8,666.09

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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.