Home / 9,148.02-13,722.16-3,953.76

Finding the Fourth Proportional to 9,148.02, 13,722.16 and 3,953.76

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Solution

The fourth proportional to 9,148.02, 13,722.16 and 3,953.76 is: 5,930.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,148.02 : 13,722.16 = 3,953.76 : x
  2. Step 2: Convert to fraction form
    9,148.02/13,722.16 = 3,953.76/x
  3. Step 3: Cross multiply
    9,148.02x = 13,722.16 × 3,953.76
  4. Step 4: Simplify right side
    9,148.02x = 54,254,127.32
  5. Step 5: Solve for x
    x = 54,254,127.32/9,148.02
  6. Step 6: Final answer
    x = 5,930.70

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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.