Home / 13,331.40-19,984.30-10,368.20

Finding the Fourth Proportional to 13,331.40, 19,984.30 and 10,368.20

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Solution

The fourth proportional to 13,331.40, 19,984.30 and 10,368.20 is: 15,542.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,331.40 : 19,984.30 = 10,368.20 : x
  2. Step 2: Convert to fraction form
    13,331.40/19,984.30 = 10,368.20/x
  3. Step 3: Cross multiply
    13,331.40x = 19,984.30 × 10,368.20
  4. Step 4: Simplify right side
    13,331.40x = 207,201,219.26
  5. Step 5: Solve for x
    x = 207,201,219.26/13,331.40
  6. Step 6: Final answer
    x = 15,542.35

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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.