Home / 10,904.02-15,048.59-6,429.17

Finding the Fourth Proportional to 10,904.02, 15,048.59 and 6,429.17

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Solution

The fourth proportional to 10,904.02, 15,048.59 and 6,429.17 is: 8,872.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,904.02 : 15,048.59 = 6,429.17 : x
  2. Step 2: Convert to fraction form
    10,904.02/15,048.59 = 6,429.17/x
  3. Step 3: Cross multiply
    10,904.02x = 15,048.59 × 6,429.17
  4. Step 4: Simplify right side
    10,904.02x = 96,749,948.85
  5. Step 5: Solve for x
    x = 96,749,948.85/10,904.02
  6. Step 6: Final answer
    x = 8,872.87

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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.