Home / 12,710.46-19,056.79-9,154.87

Finding the Fourth Proportional to 12,710.46, 19,056.79 and 9,154.87

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Solution

The fourth proportional to 12,710.46, 19,056.79 and 9,154.87 is: 13,725.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,710.46 : 19,056.79 = 9,154.87 : x
  2. Step 2: Convert to fraction form
    12,710.46/19,056.79 = 9,154.87/x
  3. Step 3: Cross multiply
    12,710.46x = 19,056.79 × 9,154.87
  4. Step 4: Simplify right side
    12,710.46x = 174,462,412.18
  5. Step 5: Solve for x
    x = 174,462,412.18/12,710.46
  6. Step 6: Final answer
    x = 13,725.90

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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.