Home / 18,418.50-25,417.56-10,035

Finding the Fourth Proportional to 18,418.50, 25,417.56 and 10,035

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Solution

The fourth proportional to 18,418.50, 25,417.56 and 10,035 is: 13,848.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,418.50 : 25,417.56 = 10,035 : x
  2. Step 2: Convert to fraction form
    18,418.50/25,417.56 = 10,035/x
  3. Step 3: Cross multiply
    18,418.50x = 25,417.56 × 10,035
  4. Step 4: Simplify right side
    18,418.50x = 255,065,214.60
  5. Step 5: Solve for x
    x = 255,065,214.60/18,418.50
  6. Step 6: Final answer
    x = 13,848.32

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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.