Home / 12,307.34-16,983.80-7,525.70

Finding the Fourth Proportional to 12,307.34, 16,983.80 and 7,525.70

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Solution

The fourth proportional to 12,307.34, 16,983.80 and 7,525.70 is: 10,385.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,307.34 : 16,983.80 = 7,525.70 : x
  2. Step 2: Convert to fraction form
    12,307.34/16,983.80 = 7,525.70/x
  3. Step 3: Cross multiply
    12,307.34x = 16,983.80 × 7,525.70
  4. Step 4: Simplify right side
    12,307.34x = 127,814,983.66
  5. Step 5: Solve for x
    x = 127,814,983.66/12,307.34
  6. Step 6: Final answer
    x = 10,385.26

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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.