Home / 18,307.39-25,263.21-10,349.14

Finding the Fourth Proportional to 18,307.39, 25,263.21 and 10,349.14

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Solution

The fourth proportional to 18,307.39, 25,263.21 and 10,349.14 is: 14,281.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,307.39 : 25,263.21 = 10,349.14 : x
  2. Step 2: Convert to fraction form
    18,307.39/25,263.21 = 10,349.14/x
  3. Step 3: Cross multiply
    18,307.39x = 25,263.21 × 10,349.14
  4. Step 4: Simplify right side
    18,307.39x = 261,452,370.82
  5. Step 5: Solve for x
    x = 261,452,370.82/18,307.39
  6. Step 6: Final answer
    x = 14,281.25

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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.