Home / 10,368.64-15,543.30-4,127.45

Finding the Fourth Proportional to 10,368.64, 15,543.30 and 4,127.45

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Solution

The fourth proportional to 10,368.64, 15,543.30 and 4,127.45 is: 6,187.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368.64 : 15,543.30 = 4,127.45 : x
  2. Step 2: Convert to fraction form
    10,368.64/15,543.30 = 4,127.45/x
  3. Step 3: Cross multiply
    10,368.64x = 15,543.30 × 4,127.45
  4. Step 4: Simplify right side
    10,368.64x = 64,154,193.59
  5. Step 5: Solve for x
    x = 64,154,193.59/10,368.64
  6. Step 6: Final answer
    x = 6,187.33

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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.