Home / 18,970.08-26,188.11-14,711.46

Finding the Fourth Proportional to 18,970.08, 26,188.11 and 14,711.46

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Solution

The fourth proportional to 18,970.08, 26,188.11 and 14,711.46 is: 20,309.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,970.08 : 26,188.11 = 14,711.46 : x
  2. Step 2: Convert to fraction form
    18,970.08/26,188.11 = 14,711.46/x
  3. Step 3: Cross multiply
    18,970.08x = 26,188.11 × 14,711.46
  4. Step 4: Simplify right side
    18,970.08x = 385,265,332.74
  5. Step 5: Solve for x
    x = 385,265,332.74/18,970.08
  6. Step 6: Final answer
    x = 20,309.10

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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.