Home / 10,985.41-15,160.13-6,270.13

Finding the Fourth Proportional to 10,985.41, 15,160.13 and 6,270.13

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Solution

The fourth proportional to 10,985.41, 15,160.13 and 6,270.13 is: 8,652.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,985.41 : 15,160.13 = 6,270.13 : x
  2. Step 2: Convert to fraction form
    10,985.41/15,160.13 = 6,270.13/x
  3. Step 3: Cross multiply
    10,985.41x = 15,160.13 × 6,270.13
  4. Step 4: Simplify right side
    10,985.41x = 95,055,985.92
  5. Step 5: Solve for x
    x = 95,055,985.92/10,985.41
  6. Step 6: Final answer
    x = 8,652.93

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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.