Home / 18,655.13-25,746.32-10,697.36

Finding the Fourth Proportional to 18,655.13, 25,746.32 and 10,697.36

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Solution

The fourth proportional to 18,655.13, 25,746.32 and 10,697.36 is: 14,763.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,655.13 : 25,746.32 = 10,697.36 : x
  2. Step 2: Convert to fraction form
    18,655.13/25,746.32 = 10,697.36/x
  3. Step 3: Cross multiply
    18,655.13x = 25,746.32 × 10,697.36
  4. Step 4: Simplify right side
    18,655.13x = 275,417,551.73
  5. Step 5: Solve for x
    x = 275,417,551.73/18,655.13
  6. Step 6: Final answer
    x = 14,763.63

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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.