Home / 13,472.04-18,563.32-12,537.76

Finding the Fourth Proportional to 13,472.04, 18,563.32 and 12,537.76

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Solution

The fourth proportional to 13,472.04, 18,563.32 and 12,537.76 is: 17,275.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,472.04 : 18,563.32 = 12,537.76 : x
  2. Step 2: Convert to fraction form
    13,472.04/18,563.32 = 12,537.76/x
  3. Step 3: Cross multiply
    13,472.04x = 18,563.32 × 12,537.76
  4. Step 4: Simplify right side
    13,472.04x = 232,742,450.96
  5. Step 5: Solve for x
    x = 232,742,450.96/13,472.04
  6. Step 6: Final answer
    x = 17,275.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.