Home / 14,777.28-20,386.22-9,735.03

Finding the Fourth Proportional to 14,777.28, 20,386.22 and 9,735.03

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Solution

The fourth proportional to 14,777.28, 20,386.22 and 9,735.03 is: 13,430.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,777.28 : 20,386.22 = 9,735.03 : x
  2. Step 2: Convert to fraction form
    14,777.28/20,386.22 = 9,735.03/x
  3. Step 3: Cross multiply
    14,777.28x = 20,386.22 × 9,735.03
  4. Step 4: Simplify right side
    14,777.28x = 198,460,414.61
  5. Step 5: Solve for x
    x = 198,460,414.61/14,777.28
  6. Step 6: Final answer
    x = 13,430.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.