Home / 10,448.17-15,657.51-5,770.28

Finding the Fourth Proportional to 10,448.17, 15,657.51 and 5,770.28

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Solution

The fourth proportional to 10,448.17, 15,657.51 and 5,770.28 is: 8,647.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,448.17 : 15,657.51 = 5,770.28 : x
  2. Step 2: Convert to fraction form
    10,448.17/15,657.51 = 5,770.28/x
  3. Step 3: Cross multiply
    10,448.17x = 15,657.51 × 5,770.28
  4. Step 4: Simplify right side
    10,448.17x = 90,348,216.80
  5. Step 5: Solve for x
    x = 90,348,216.80/10,448.17
  6. Step 6: Final answer
    x = 8,647.28

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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.