Home / 10,116.23-15,174.35-4,272.89

Finding the Fourth Proportional to 10,116.23, 15,174.35 and 4,272.89

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Solution

The fourth proportional to 10,116.23, 15,174.35 and 4,272.89 is: 6,409.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,116.23 : 15,174.35 = 4,272.89 : x
  2. Step 2: Convert to fraction form
    10,116.23/15,174.35 = 4,272.89/x
  3. Step 3: Cross multiply
    10,116.23x = 15,174.35 × 4,272.89
  4. Step 4: Simplify right side
    10,116.23x = 64,838,307.01
  5. Step 5: Solve for x
    x = 64,838,307.01/10,116.23
  6. Step 6: Final answer
    x = 6,409.34

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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.