Home / 15,500.06-21,393.48-10,195.40

Finding the Fourth Proportional to 15,500.06, 21,393.48 and 10,195.40

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Solution

The fourth proportional to 15,500.06, 21,393.48 and 10,195.40 is: 14,071.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,500.06 : 21,393.48 = 10,195.40 : x
  2. Step 2: Convert to fraction form
    15,500.06/21,393.48 = 10,195.40/x
  3. Step 3: Cross multiply
    15,500.06x = 21,393.48 × 10,195.40
  4. Step 4: Simplify right side
    15,500.06x = 218,115,085.99
  5. Step 5: Solve for x
    x = 218,115,085.99/15,500.06
  6. Step 6: Final answer
    x = 14,071.89

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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.