Home / 14,008.07-20,856.59-13,811.93

Finding the Fourth Proportional to 14,008.07, 20,856.59 and 13,811.93

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Solution

The fourth proportional to 14,008.07, 20,856.59 and 13,811.93 is: 20,564.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,008.07 : 20,856.59 = 13,811.93 : x
  2. Step 2: Convert to fraction form
    14,008.07/20,856.59 = 13,811.93/x
  3. Step 3: Cross multiply
    14,008.07x = 20,856.59 × 13,811.93
  4. Step 4: Simplify right side
    14,008.07x = 288,069,587.78
  5. Step 5: Solve for x
    x = 288,069,587.78/14,008.07
  6. Step 6: Final answer
    x = 20,564.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.