Home / 15,283.60-22,896.60-7,862.80

Finding the Fourth Proportional to 15,283.60, 22,896.60 and 7,862.80

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Solution

The fourth proportional to 15,283.60, 22,896.60 and 7,862.80 is: 11,779.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,283.60 : 22,896.60 = 7,862.80 : x
  2. Step 2: Convert to fraction form
    15,283.60/22,896.60 = 7,862.80/x
  3. Step 3: Cross multiply
    15,283.60x = 22,896.60 × 7,862.80
  4. Step 4: Simplify right side
    15,283.60x = 180,031,386.48
  5. Step 5: Solve for x
    x = 180,031,386.48/15,283.60
  6. Step 6: Final answer
    x = 11,779.38

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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.