Home / 10,510.40-15,733.20-6,114.80

Finding the Fourth Proportional to 10,510.40, 15,733.20 and 6,114.80

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Solution

The fourth proportional to 10,510.40, 15,733.20 and 6,114.80 is: 9,153.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,510.40 : 15,733.20 = 6,114.80 : x
  2. Step 2: Convert to fraction form
    10,510.40/15,733.20 = 6,114.80/x
  3. Step 3: Cross multiply
    10,510.40x = 15,733.20 × 6,114.80
  4. Step 4: Simplify right side
    10,510.40x = 96,205,371.36
  5. Step 5: Solve for x
    x = 96,205,371.36/10,510.40
  6. Step 6: Final answer
    x = 9,153.35

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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.