Home / 10,188.36-15,283.35-4,345.02

Finding the Fourth Proportional to 10,188.36, 15,283.35 and 4,345.02

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Solution

The fourth proportional to 10,188.36, 15,283.35 and 4,345.02 is: 6,517.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,188.36 : 15,283.35 = 4,345.02 : x
  2. Step 2: Convert to fraction form
    10,188.36/15,283.35 = 4,345.02/x
  3. Step 3: Cross multiply
    10,188.36x = 15,283.35 × 4,345.02
  4. Step 4: Simplify right side
    10,188.36x = 66,406,461.42
  5. Step 5: Solve for x
    x = 66,406,461.42/10,188.36
  6. Step 6: Final answer
    x = 6,517.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.