Home / 15,495.60-21,377.34-9,525.36

Finding the Fourth Proportional to 15,495.60, 21,377.34 and 9,525.36

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Solution

The fourth proportional to 15,495.60, 21,377.34 and 9,525.36 is: 13,140.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,495.60 : 21,377.34 = 9,525.36 : x
  2. Step 2: Convert to fraction form
    15,495.60/21,377.34 = 9,525.36/x
  3. Step 3: Cross multiply
    15,495.60x = 21,377.34 × 9,525.36
  4. Step 4: Simplify right side
    15,495.60x = 203,626,859.34
  5. Step 5: Solve for x
    x = 203,626,859.34/15,495.60
  6. Step 6: Final answer
    x = 13,140.95

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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.