Home / 19,260.02-28,866.40-10,947

Finding the Fourth Proportional to 19,260.02, 28,866.40 and 10,947

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Solution

The fourth proportional to 19,260.02, 28,866.40 and 10,947 is: 16,407.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,260.02 : 28,866.40 = 10,947 : x
  2. Step 2: Convert to fraction form
    19,260.02/28,866.40 = 10,947/x
  3. Step 3: Cross multiply
    19,260.02x = 28,866.40 × 10,947
  4. Step 4: Simplify right side
    19,260.02x = 316,000,480.80
  5. Step 5: Solve for x
    x = 316,000,480.80/19,260.02
  6. Step 6: Final answer
    x = 16,407.07

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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.