Home / 13,333.24-19,970.70-8,123.32

Finding the Fourth Proportional to 13,333.24, 19,970.70 and 8,123.32

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Solution

The fourth proportional to 13,333.24, 19,970.70 and 8,123.32 is: 12,167.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,333.24 : 19,970.70 = 8,123.32 : x
  2. Step 2: Convert to fraction form
    13,333.24/19,970.70 = 8,123.32/x
  3. Step 3: Cross multiply
    13,333.24x = 19,970.70 × 8,123.32
  4. Step 4: Simplify right side
    13,333.24x = 162,228,386.72
  5. Step 5: Solve for x
    x = 162,228,386.72/13,333.24
  6. Step 6: Final answer
    x = 12,167.21

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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.