Home / 18,117.11-25,001.29-10,159.31

Finding the Fourth Proportional to 18,117.11, 25,001.29 and 10,159.31

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Solution

The fourth proportional to 18,117.11, 25,001.29 and 10,159.31 is: 14,019.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,117.11 : 25,001.29 = 10,159.31 : x
  2. Step 2: Convert to fraction form
    18,117.11/25,001.29 = 10,159.31/x
  3. Step 3: Cross multiply
    18,117.11x = 25,001.29 × 10,159.31
  4. Step 4: Simplify right side
    18,117.11x = 253,995,855.51
  5. Step 5: Solve for x
    x = 253,995,855.51/18,117.11
  6. Step 6: Final answer
    x = 14,019.67

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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.