Home / 19,347.46-28,970.79-10,564.36

Finding the Fourth Proportional to 19,347.46, 28,970.79 and 10,564.36

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Solution

The fourth proportional to 19,347.46, 28,970.79 and 10,564.36 is: 15,819.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,347.46 : 28,970.79 = 10,564.36 : x
  2. Step 2: Convert to fraction form
    19,347.46/28,970.79 = 10,564.36/x
  3. Step 3: Cross multiply
    19,347.46x = 28,970.79 × 10,564.36
  4. Step 4: Simplify right side
    19,347.46x = 306,057,855.04
  5. Step 5: Solve for x
    x = 306,057,855.04/19,347.46
  6. Step 6: Final answer
    x = 15,819.02

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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.