Home / 18,210.40-27,319.50-10,316.66

Finding the Fourth Proportional to 18,210.40, 27,319.50 and 10,316.66

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Solution

The fourth proportional to 18,210.40, 27,319.50 and 10,316.66 is: 15,477.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,210.40 : 27,319.50 = 10,316.66 : x
  2. Step 2: Convert to fraction form
    18,210.40/27,319.50 = 10,316.66/x
  3. Step 3: Cross multiply
    18,210.40x = 27,319.50 × 10,316.66
  4. Step 4: Simplify right side
    18,210.40x = 281,845,856.27
  5. Step 5: Solve for x
    x = 281,845,856.27/18,210.40
  6. Step 6: Final answer
    x = 15,477.19

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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.