Home / 12,510.40-17,263.92-6,921.04

Finding the Fourth Proportional to 12,510.40, 17,263.92 and 6,921.04

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Solution

The fourth proportional to 12,510.40, 17,263.92 and 6,921.04 is: 9,550.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,510.40 : 17,263.92 = 6,921.04 : x
  2. Step 2: Convert to fraction form
    12,510.40/17,263.92 = 6,921.04/x
  3. Step 3: Cross multiply
    12,510.40x = 17,263.92 × 6,921.04
  4. Step 4: Simplify right side
    12,510.40x = 119,484,280.88
  5. Step 5: Solve for x
    x = 119,484,280.88/12,510.40
  6. Step 6: Final answer
    x = 9,550.80

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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.