Home / 13,141.24-19,701.20-8,970.74

Finding the Fourth Proportional to 13,141.24, 19,701.20 and 8,970.74

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Solution

The fourth proportional to 13,141.24, 19,701.20 and 8,970.74 is: 13,448.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,141.24 : 19,701.20 = 8,970.74 : x
  2. Step 2: Convert to fraction form
    13,141.24/19,701.20 = 8,970.74/x
  3. Step 3: Cross multiply
    13,141.24x = 19,701.20 × 8,970.74
  4. Step 4: Simplify right side
    13,141.24x = 176,734,342.89
  5. Step 5: Solve for x
    x = 176,734,342.89/13,141.24
  6. Step 6: Final answer
    x = 13,448.83

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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.