Home / 13,330.40-19,869.10-13,233.20

Finding the Fourth Proportional to 13,330.40, 19,869.10 and 13,233.20

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Solution

The fourth proportional to 13,330.40, 19,869.10 and 13,233.20 is: 19,724.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,330.40 : 19,869.10 = 13,233.20 : x
  2. Step 2: Convert to fraction form
    13,330.40/19,869.10 = 13,233.20/x
  3. Step 3: Cross multiply
    13,330.40x = 19,869.10 × 13,233.20
  4. Step 4: Simplify right side
    13,330.40x = 262,931,774.12
  5. Step 5: Solve for x
    x = 262,931,774.12/13,330.40
  6. Step 6: Final answer
    x = 19,724.22

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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.