Home / 12,556.59-17,328.63-7,521.63

Finding the Fourth Proportional to 12,556.59, 17,328.63 and 7,521.63

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Solution

The fourth proportional to 12,556.59, 17,328.63 and 7,521.63 is: 10,380.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,556.59 : 17,328.63 = 7,521.63 : x
  2. Step 2: Convert to fraction form
    12,556.59/17,328.63 = 7,521.63/x
  3. Step 3: Cross multiply
    12,556.59x = 17,328.63 × 7,521.63
  4. Step 4: Simplify right side
    12,556.59x = 130,339,543.27
  5. Step 5: Solve for x
    x = 130,339,543.27/12,556.59
  6. Step 6: Final answer
    x = 10,380.17

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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.