Home / 19,002.79-28,504.67-9,005.19

Finding the Fourth Proportional to 19,002.79, 28,504.67 and 9,005.19

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Solution

The fourth proportional to 19,002.79, 28,504.67 and 9,005.19 is: 13,508.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,002.79 : 28,504.67 = 9,005.19 : x
  2. Step 2: Convert to fraction form
    19,002.79/28,504.67 = 9,005.19/x
  3. Step 3: Cross multiply
    19,002.79x = 28,504.67 × 9,005.19
  4. Step 4: Simplify right side
    19,002.79x = 256,689,969.24
  5. Step 5: Solve for x
    x = 256,689,969.24/19,002.79
  6. Step 6: Final answer
    x = 13,508.01

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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.