Home / 18,848.76-26,001.50-11,187.60

Finding the Fourth Proportional to 18,848.76, 26,001.50 and 11,187.60

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Solution

The fourth proportional to 18,848.76, 26,001.50 and 11,187.60 is: 15,433.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,848.76 : 26,001.50 = 11,187.60 : x
  2. Step 2: Convert to fraction form
    18,848.76/26,001.50 = 11,187.60/x
  3. Step 3: Cross multiply
    18,848.76x = 26,001.50 × 11,187.60
  4. Step 4: Simplify right side
    18,848.76x = 290,894,381.40
  5. Step 5: Solve for x
    x = 290,894,381.40/18,848.76
  6. Step 6: Final answer
    x = 15,433.08

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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.