Home / 10,870.18-15,001.20-6,154.36

Finding the Fourth Proportional to 10,870.18, 15,001.20 and 6,154.36

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Solution

The fourth proportional to 10,870.18, 15,001.20 and 6,154.36 is: 8,493.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,870.18 : 15,001.20 = 6,154.36 : x
  2. Step 2: Convert to fraction form
    10,870.18/15,001.20 = 6,154.36/x
  3. Step 3: Cross multiply
    10,870.18x = 15,001.20 × 6,154.36
  4. Step 4: Simplify right side
    10,870.18x = 92,322,785.23
  5. Step 5: Solve for x
    x = 92,322,785.23/10,870.18
  6. Step 6: Final answer
    x = 8,493.22

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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.