Home / 14,862.45-20,510.91-8,148.36

Finding the Fourth Proportional to 14,862.45, 20,510.91 and 8,148.36

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Solution

The fourth proportional to 14,862.45, 20,510.91 and 8,148.36 is: 11,245.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,862.45 : 20,510.91 = 8,148.36 : x
  2. Step 2: Convert to fraction form
    14,862.45/20,510.91 = 8,148.36/x
  3. Step 3: Cross multiply
    14,862.45x = 20,510.91 × 8,148.36
  4. Step 4: Simplify right side
    14,862.45x = 167,130,278.61
  5. Step 5: Solve for x
    x = 167,130,278.61/14,862.45
  6. Step 6: Final answer
    x = 11,245.14

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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.