Home / 10,488.76-14,477.55-6,242.80

Finding the Fourth Proportional to 10,488.76, 14,477.55 and 6,242.80

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Solution

The fourth proportional to 10,488.76, 14,477.55 and 6,242.80 is: 8,616.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,488.76 : 14,477.55 = 6,242.80 : x
  2. Step 2: Convert to fraction form
    10,488.76/14,477.55 = 6,242.80/x
  3. Step 3: Cross multiply
    10,488.76x = 14,477.55 × 6,242.80
  4. Step 4: Simplify right side
    10,488.76x = 90,380,449.14
  5. Step 5: Solve for x
    x = 90,380,449.14/10,488.76
  6. Step 6: Final answer
    x = 8,616.89

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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.