Home / 19,688.52-27,158.34-14,376.84

Finding the Fourth Proportional to 19,688.52, 27,158.34 and 14,376.84

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Solution

The fourth proportional to 19,688.52, 27,158.34 and 14,376.84 is: 19,831.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,688.52 : 27,158.34 = 14,376.84 : x
  2. Step 2: Convert to fraction form
    19,688.52/27,158.34 = 14,376.84/x
  3. Step 3: Cross multiply
    19,688.52x = 27,158.34 × 14,376.84
  4. Step 4: Simplify right side
    19,688.52x = 390,451,108.85
  5. Step 5: Solve for x
    x = 390,451,108.85/19,688.52
  6. Step 6: Final answer
    x = 19,831.41

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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.