Home / 10,638.02-14,678.06-6,160.74

Finding the Fourth Proportional to 10,638.02, 14,678.06 and 6,160.74

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Solution

The fourth proportional to 10,638.02, 14,678.06 and 6,160.74 is: 8,500.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,638.02 : 14,678.06 = 6,160.74 : x
  2. Step 2: Convert to fraction form
    10,638.02/14,678.06 = 6,160.74/x
  3. Step 3: Cross multiply
    10,638.02x = 14,678.06 × 6,160.74
  4. Step 4: Simplify right side
    10,638.02x = 90,427,680.56
  5. Step 5: Solve for x
    x = 90,427,680.56/10,638.02
  6. Step 6: Final answer
    x = 8,500.43

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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.