Home / 18,425.18-27,637.65-5,277.57

Finding the Fourth Proportional to 18,425.18, 27,637.65 and 5,277.57

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Solution

The fourth proportional to 18,425.18, 27,637.65 and 5,277.57 is: 7,916.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,425.18 : 27,637.65 = 5,277.57 : x
  2. Step 2: Convert to fraction form
    18,425.18/27,637.65 = 5,277.57/x
  3. Step 3: Cross multiply
    18,425.18x = 27,637.65 × 5,277.57
  4. Step 4: Simplify right side
    18,425.18x = 145,859,632.51
  5. Step 5: Solve for x
    x = 145,859,632.51/18,425.18
  6. Step 6: Final answer
    x = 7,916.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.