Home / 19,385.79-26,753.75-13,023.01

Finding the Fourth Proportional to 19,385.79, 26,753.75 and 13,023.01

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Solution

The fourth proportional to 19,385.79, 26,753.75 and 13,023.01 is: 17,972.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,385.79 : 26,753.75 = 13,023.01 : x
  2. Step 2: Convert to fraction form
    19,385.79/26,753.75 = 13,023.01/x
  3. Step 3: Cross multiply
    19,385.79x = 26,753.75 × 13,023.01
  4. Step 4: Simplify right side
    19,385.79x = 348,414,353.79
  5. Step 5: Solve for x
    x = 348,414,353.79/19,385.79
  6. Step 6: Final answer
    x = 17,972.67

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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.