Home / 18,181.47-25,089.93-10,223.49

Finding the Fourth Proportional to 18,181.47, 25,089.93 and 10,223.49

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Solution

The fourth proportional to 18,181.47, 25,089.93 and 10,223.49 is: 14,108.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,181.47 : 25,089.93 = 10,223.49 : x
  2. Step 2: Convert to fraction form
    18,181.47/25,089.93 = 10,223.49/x
  3. Step 3: Cross multiply
    18,181.47x = 25,089.93 × 10,223.49
  4. Step 4: Simplify right side
    18,181.47x = 256,506,648.46
  5. Step 5: Solve for x
    x = 256,506,648.46/18,181.47
  6. Step 6: Final answer
    x = 14,108.14

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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.