Home / 19,301.50-26,639.76-10,918

Finding the Fourth Proportional to 19,301.50, 26,639.76 and 10,918

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Solution

The fourth proportional to 19,301.50, 26,639.76 and 10,918 is: 15,068.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,301.50 : 26,639.76 = 10,918 : x
  2. Step 2: Convert to fraction form
    19,301.50/26,639.76 = 10,918/x
  3. Step 3: Cross multiply
    19,301.50x = 26,639.76 × 10,918
  4. Step 4: Simplify right side
    19,301.50x = 290,852,899.68
  5. Step 5: Solve for x
    x = 290,852,899.68/19,301.50
  6. Step 6: Final answer
    x = 15,068.93

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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.