Home / 18,488.48-25,515.15-10,533.29

Finding the Fourth Proportional to 18,488.48, 25,515.15 and 10,533.29

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Solution

The fourth proportional to 18,488.48, 25,515.15 and 10,533.29 is: 14,536.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,488.48 : 25,515.15 = 10,533.29 : x
  2. Step 2: Convert to fraction form
    18,488.48/25,515.15 = 10,533.29/x
  3. Step 3: Cross multiply
    18,488.48x = 25,515.15 × 10,533.29
  4. Step 4: Simplify right side
    18,488.48x = 268,758,474.34
  5. Step 5: Solve for x
    x = 268,758,474.34/18,488.48
  6. Step 6: Final answer
    x = 14,536.54

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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.