Home / 14,686.50-20,258.15-8,713.94

Finding the Fourth Proportional to 14,686.50, 20,258.15 and 8,713.94

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Solution

The fourth proportional to 14,686.50, 20,258.15 and 8,713.94 is: 12,019.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,686.50 : 20,258.15 = 8,713.94 : x
  2. Step 2: Convert to fraction form
    14,686.50/20,258.15 = 8,713.94/x
  3. Step 3: Cross multiply
    14,686.50x = 20,258.15 × 8,713.94
  4. Step 4: Simplify right side
    14,686.50x = 176,528,303.61
  5. Step 5: Solve for x
    x = 176,528,303.61/14,686.50
  6. Step 6: Final answer
    x = 12,019.77

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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.