Home / 13,260.65-19,888.95-3,898.46

Finding the Fourth Proportional to 13,260.65, 19,888.95 and 3,898.46

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Solution

The fourth proportional to 13,260.65, 19,888.95 and 3,898.46 is: 5,847.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,260.65 : 19,888.95 = 3,898.46 : x
  2. Step 2: Convert to fraction form
    13,260.65/19,888.95 = 3,898.46/x
  3. Step 3: Cross multiply
    13,260.65x = 19,888.95 × 3,898.46
  4. Step 4: Simplify right side
    13,260.65x = 77,536,276.02
  5. Step 5: Solve for x
    x = 77,536,276.02/13,260.65
  6. Step 6: Final answer
    x = 5,847.09

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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.