Home / 18,970.35-26,178.91-10,472.47

Finding the Fourth Proportional to 18,970.35, 26,178.91 and 10,472.47

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Solution

The fourth proportional to 18,970.35, 26,178.91 and 10,472.47 is: 14,451.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,970.35 : 26,178.91 = 10,472.47 : x
  2. Step 2: Convert to fraction form
    18,970.35/26,178.91 = 10,472.47/x
  3. Step 3: Cross multiply
    18,970.35x = 26,178.91 × 10,472.47
  4. Step 4: Simplify right side
    18,970.35x = 274,157,849.61
  5. Step 5: Solve for x
    x = 274,157,849.61/18,970.35
  6. Step 6: Final answer
    x = 14,451.91

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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.