Home / 10,209.60-15,319.80-4,663.80

Finding the Fourth Proportional to 10,209.60, 15,319.80 and 4,663.80

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Solution

The fourth proportional to 10,209.60, 15,319.80 and 4,663.80 is: 6,998.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,209.60 : 15,319.80 = 4,663.80 : x
  2. Step 2: Convert to fraction form
    10,209.60/15,319.80 = 4,663.80/x
  3. Step 3: Cross multiply
    10,209.60x = 15,319.80 × 4,663.80
  4. Step 4: Simplify right side
    10,209.60x = 71,448,483.24
  5. Step 5: Solve for x
    x = 71,448,483.24/10,209.60
  6. Step 6: Final answer
    x = 6,998.17

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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.