Home / 10,254.46-14,151.16-5,538.74

Finding the Fourth Proportional to 10,254.46, 14,151.16 and 5,538.74

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Solution

The fourth proportional to 10,254.46, 14,151.16 and 5,538.74 is: 7,643.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,254.46 : 14,151.16 = 5,538.74 : x
  2. Step 2: Convert to fraction form
    10,254.46/14,151.16 = 5,538.74/x
  3. Step 3: Cross multiply
    10,254.46x = 14,151.16 × 5,538.74
  4. Step 4: Simplify right side
    10,254.46x = 78,379,595.94
  5. Step 5: Solve for x
    x = 78,379,595.94/10,254.46
  6. Step 6: Final answer
    x = 7,643.46

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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.