Home / 18,312.69-27,432.63-8,925.33

Finding the Fourth Proportional to 18,312.69, 27,432.63 and 8,925.33

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Solution

The fourth proportional to 18,312.69, 27,432.63 and 8,925.33 is: 13,370.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,312.69 : 27,432.63 = 8,925.33 : x
  2. Step 2: Convert to fraction form
    18,312.69/27,432.63 = 8,925.33/x
  3. Step 3: Cross multiply
    18,312.69x = 27,432.63 × 8,925.33
  4. Step 4: Simplify right side
    18,312.69x = 244,845,138.35
  5. Step 5: Solve for x
    x = 244,845,138.35/18,312.69
  6. Step 6: Final answer
    x = 13,370.25

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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.