Home / 11,503.02-17,170.57-9,870.06

Finding the Fourth Proportional to 11,503.02, 17,170.57 and 9,870.06

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Solution

The fourth proportional to 11,503.02, 17,170.57 and 9,870.06 is: 14,733.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,503.02 : 17,170.57 = 9,870.06 : x
  2. Step 2: Convert to fraction form
    11,503.02/17,170.57 = 9,870.06/x
  3. Step 3: Cross multiply
    11,503.02x = 17,170.57 × 9,870.06
  4. Step 4: Simplify right side
    11,503.02x = 169,474,556.13
  5. Step 5: Solve for x
    x = 169,474,556.13/11,503.02
  6. Step 6: Final answer
    x = 14,733.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.