Home / 10,748.88-14,852.70-10,311.48

Finding the Fourth Proportional to 10,748.88, 14,852.70 and 10,311.48

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Solution

The fourth proportional to 10,748.88, 14,852.70 and 10,311.48 is: 14,248.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,748.88 : 14,852.70 = 10,311.48 : x
  2. Step 2: Convert to fraction form
    10,748.88/14,852.70 = 10,311.48/x
  3. Step 3: Cross multiply
    10,748.88x = 14,852.70 × 10,311.48
  4. Step 4: Simplify right side
    10,748.88x = 153,153,319.00
  5. Step 5: Solve for x
    x = 153,153,319.00/10,748.88
  6. Step 6: Final answer
    x = 14,248.30

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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.