Home / 25,219.86-34,803.09-13,889.13

Finding the Fourth Proportional to 25,219.86, 34,803.09 and 13,889.13

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Solution

The fourth proportional to 25,219.86, 34,803.09 and 13,889.13 is: 19,166.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,219.86 : 34,803.09 = 13,889.13 : x
  2. Step 2: Convert to fraction form
    25,219.86/34,803.09 = 13,889.13/x
  3. Step 3: Cross multiply
    25,219.86x = 34,803.09 × 13,889.13
  4. Step 4: Simplify right side
    25,219.86x = 483,384,641.41
  5. Step 5: Solve for x
    x = 483,384,641.41/25,219.86
  6. Step 6: Final answer
    x = 19,166.82

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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.