Home / 11,343.80-17,015.93-4,130.70

Finding the Fourth Proportional to 11,343.80, 17,015.93 and 4,130.70

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Solution

The fourth proportional to 11,343.80, 17,015.93 and 4,130.70 is: 6,196.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,343.80 : 17,015.93 = 4,130.70 : x
  2. Step 2: Convert to fraction form
    11,343.80/17,015.93 = 4,130.70/x
  3. Step 3: Cross multiply
    11,343.80x = 17,015.93 × 4,130.70
  4. Step 4: Simplify right side
    11,343.80x = 70,287,681.40
  5. Step 5: Solve for x
    x = 70,287,681.40/11,343.80
  6. Step 6: Final answer
    x = 6,196.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.