Home / 13,790.46-19,034.85-9,011.11

Finding the Fourth Proportional to 13,790.46, 19,034.85 and 9,011.11

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Solution

The fourth proportional to 13,790.46, 19,034.85 and 9,011.11 is: 12,437.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,790.46 : 19,034.85 = 9,011.11 : x
  2. Step 2: Convert to fraction form
    13,790.46/19,034.85 = 9,011.11/x
  3. Step 3: Cross multiply
    13,790.46x = 19,034.85 × 9,011.11
  4. Step 4: Simplify right side
    13,790.46x = 171,525,127.18
  5. Step 5: Solve for x
    x = 171,525,127.18/13,790.46
  6. Step 6: Final answer
    x = 12,437.96

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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.