Home / 18,360.50-25,341.55-10,407.11

Finding the Fourth Proportional to 18,360.50, 25,341.55 and 10,407.11

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Solution

The fourth proportional to 18,360.50, 25,341.55 and 10,407.11 is: 14,364.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,360.50 : 25,341.55 = 10,407.11 : x
  2. Step 2: Convert to fraction form
    18,360.50/25,341.55 = 10,407.11/x
  3. Step 3: Cross multiply
    18,360.50x = 25,341.55 × 10,407.11
  4. Step 4: Simplify right side
    18,360.50x = 263,732,145.69
  5. Step 5: Solve for x
    x = 263,732,145.69/18,360.50
  6. Step 6: Final answer
    x = 14,364.11

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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.