Home / 10,307.34-14,217.80-9,108.48

Finding the Fourth Proportional to 10,307.34, 14,217.80 and 9,108.48

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Solution

The fourth proportional to 10,307.34, 14,217.80 and 9,108.48 is: 12,564.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,307.34 : 14,217.80 = 9,108.48 : x
  2. Step 2: Convert to fraction form
    10,307.34/14,217.80 = 9,108.48/x
  3. Step 3: Cross multiply
    10,307.34x = 14,217.80 × 9,108.48
  4. Step 4: Simplify right side
    10,307.34x = 129,502,525.98
  5. Step 5: Solve for x
    x = 129,502,525.98/10,307.34
  6. Step 6: Final answer
    x = 12,564.11

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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.