Home / 13,312.90-19,967.23-4,427.49

Finding the Fourth Proportional to 13,312.90, 19,967.23 and 4,427.49

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Solution

The fourth proportional to 13,312.90, 19,967.23 and 4,427.49 is: 6,640.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,312.90 : 19,967.23 = 4,427.49 : x
  2. Step 2: Convert to fraction form
    13,312.90/19,967.23 = 4,427.49/x
  3. Step 3: Cross multiply
    13,312.90x = 19,967.23 × 4,427.49
  4. Step 4: Simplify right side
    13,312.90x = 88,404,711.15
  5. Step 5: Solve for x
    x = 88,404,711.15/13,312.90
  6. Step 6: Final answer
    x = 6,640.53

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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.