Home / 10,977.98-15,149.45-6,262.34

Finding the Fourth Proportional to 10,977.98, 15,149.45 and 6,262.34

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Solution

The fourth proportional to 10,977.98, 15,149.45 and 6,262.34 is: 8,641.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,977.98 : 15,149.45 = 6,262.34 : x
  2. Step 2: Convert to fraction form
    10,977.98/15,149.45 = 6,262.34/x
  3. Step 3: Cross multiply
    10,977.98x = 15,149.45 × 6,262.34
  4. Step 4: Simplify right side
    10,977.98x = 94,871,006.71
  5. Step 5: Solve for x
    x = 94,871,006.71/10,977.98
  6. Step 6: Final answer
    x = 8,641.94

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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.