Home / 12,576.60-18,875.70-5,567.40

Finding the Fourth Proportional to 12,576.60, 18,875.70 and 5,567.40

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Solution

The fourth proportional to 12,576.60, 18,875.70 and 5,567.40 is: 8,355.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,576.60 : 18,875.70 = 5,567.40 : x
  2. Step 2: Convert to fraction form
    12,576.60/18,875.70 = 5,567.40/x
  3. Step 3: Cross multiply
    12,576.60x = 18,875.70 × 5,567.40
  4. Step 4: Simplify right side
    12,576.60x = 105,088,572.18
  5. Step 5: Solve for x
    x = 105,088,572.18/12,576.60
  6. Step 6: Final answer
    x = 8,355.88

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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.