Home / 19,298.52-26,632.74-10,915

Finding the Fourth Proportional to 19,298.52, 26,632.74 and 10,915

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Solution

The fourth proportional to 19,298.52, 26,632.74 and 10,915 is: 15,063.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,298.52 : 26,632.74 = 10,915 : x
  2. Step 2: Convert to fraction form
    19,298.52/26,632.74 = 10,915/x
  3. Step 3: Cross multiply
    19,298.52x = 26,632.74 × 10,915
  4. Step 4: Simplify right side
    19,298.52x = 290,696,357.10
  5. Step 5: Solve for x
    x = 290,696,357.10/19,298.52
  6. Step 6: Final answer
    x = 15,063.14

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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.