Home / 10,903.62-15,047.19-6,187.40

Finding the Fourth Proportional to 10,903.62, 15,047.19 and 6,187.40

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Solution

The fourth proportional to 10,903.62, 15,047.19 and 6,187.40 is: 8,538.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,903.62 : 15,047.19 = 6,187.40 : x
  2. Step 2: Convert to fraction form
    10,903.62/15,047.19 = 6,187.40/x
  3. Step 3: Cross multiply
    10,903.62x = 15,047.19 × 6,187.40
  4. Step 4: Simplify right side
    10,903.62x = 93,102,908.17
  5. Step 5: Solve for x
    x = 93,102,908.17/10,903.62
  6. Step 6: Final answer
    x = 8,538.72

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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.