Home / 18,267.95-25,209.75-9,884.45

Finding the Fourth Proportional to 18,267.95, 25,209.75 and 9,884.45

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Solution

The fourth proportional to 18,267.95, 25,209.75 and 9,884.45 is: 13,640.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,267.95 : 25,209.75 = 9,884.45 : x
  2. Step 2: Convert to fraction form
    18,267.95/25,209.75 = 9,884.45/x
  3. Step 3: Cross multiply
    18,267.95x = 25,209.75 × 9,884.45
  4. Step 4: Simplify right side
    18,267.95x = 249,184,387.34
  5. Step 5: Solve for x
    x = 249,184,387.34/18,267.95
  6. Step 6: Final answer
    x = 13,640.53

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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.