Home / 19,248.79-26,564.42-13,585.39

Finding the Fourth Proportional to 19,248.79, 26,564.42 and 13,585.39

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Solution

The fourth proportional to 19,248.79, 26,564.42 and 13,585.39 is: 18,748.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,248.79 : 26,564.42 = 13,585.39 : x
  2. Step 2: Convert to fraction form
    19,248.79/26,564.42 = 13,585.39/x
  3. Step 3: Cross multiply
    19,248.79x = 26,564.42 × 13,585.39
  4. Step 4: Simplify right side
    19,248.79x = 360,888,005.82
  5. Step 5: Solve for x
    x = 360,888,005.82/19,248.79
  6. Step 6: Final answer
    x = 18,748.61

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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.