Home / 10,147.06-13,991.55-6,557.29

Finding the Fourth Proportional to 10,147.06, 13,991.55 and 6,557.29

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Solution

The fourth proportional to 10,147.06, 13,991.55 and 6,557.29 is: 9,041.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,147.06 : 13,991.55 = 6,557.29 : x
  2. Step 2: Convert to fraction form
    10,147.06/13,991.55 = 6,557.29/x
  3. Step 3: Cross multiply
    10,147.06x = 13,991.55 × 6,557.29
  4. Step 4: Simplify right side
    10,147.06x = 91,746,650.90
  5. Step 5: Solve for x
    x = 91,746,650.90/10,147.06
  6. Step 6: Final answer
    x = 9,041.70

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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.