Home / 18,349.98-25,320.87-10,282.55

Finding the Fourth Proportional to 18,349.98, 25,320.87 and 10,282.55

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Solution

The fourth proportional to 18,349.98, 25,320.87 and 10,282.55 is: 14,188.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,349.98 : 25,320.87 = 10,282.55 : x
  2. Step 2: Convert to fraction form
    18,349.98/25,320.87 = 10,282.55/x
  3. Step 3: Cross multiply
    18,349.98x = 25,320.87 × 10,282.55
  4. Step 4: Simplify right side
    18,349.98x = 260,362,985.21
  5. Step 5: Solve for x
    x = 260,362,985.21/18,349.98
  6. Step 6: Final answer
    x = 14,188.74

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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.