Home / 18,155.80-25,054.23-10,602.55

Finding the Fourth Proportional to 18,155.80, 25,054.23 and 10,602.55

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Solution

The fourth proportional to 18,155.80, 25,054.23 and 10,602.55 is: 14,631.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,155.80 : 25,054.23 = 10,602.55 : x
  2. Step 2: Convert to fraction form
    18,155.80/25,054.23 = 10,602.55/x
  3. Step 3: Cross multiply
    18,155.80x = 25,054.23 × 10,602.55
  4. Step 4: Simplify right side
    18,155.80x = 265,638,726.29
  5. Step 5: Solve for x
    x = 265,638,726.29/18,155.80
  6. Step 6: Final answer
    x = 14,631.07

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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.