Home / 10,602.40-15,903.52-4,442.08

Finding the Fourth Proportional to 10,602.40, 15,903.52 and 4,442.08

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Solution

The fourth proportional to 10,602.40, 15,903.52 and 4,442.08 is: 6,663.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,602.40 : 15,903.52 = 4,442.08 : x
  2. Step 2: Convert to fraction form
    10,602.40/15,903.52 = 4,442.08/x
  3. Step 3: Cross multiply
    10,602.40x = 15,903.52 × 4,442.08
  4. Step 4: Simplify right side
    10,602.40x = 70,644,708.12
  5. Step 5: Solve for x
    x = 70,644,708.12/10,602.40
  6. Step 6: Final answer
    x = 6,663.09

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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.