Home / 19,898.40-29,795.76-10,619.04

Finding the Fourth Proportional to 19,898.40, 29,795.76 and 10,619.04

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Solution

The fourth proportional to 19,898.40, 29,795.76 and 10,619.04 is: 15,900.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,898.40 : 29,795.76 = 10,619.04 : x
  2. Step 2: Convert to fraction form
    19,898.40/29,795.76 = 10,619.04/x
  3. Step 3: Cross multiply
    19,898.40x = 29,795.76 × 10,619.04
  4. Step 4: Simplify right side
    19,898.40x = 316,402,367.27
  5. Step 5: Solve for x
    x = 316,402,367.27/19,898.40
  6. Step 6: Final answer
    x = 15,900.89

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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.