Home / 19,151.90-28,708.04-7,302.49

Finding the Fourth Proportional to 19,151.90, 28,708.04 and 7,302.49

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Solution

The fourth proportional to 19,151.90, 28,708.04 and 7,302.49 is: 10,946.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,151.90 : 28,708.04 = 7,302.49 : x
  2. Step 2: Convert to fraction form
    19,151.90/28,708.04 = 7,302.49/x
  3. Step 3: Cross multiply
    19,151.90x = 28,708.04 × 7,302.49
  4. Step 4: Simplify right side
    19,151.90x = 209,640,004.10
  5. Step 5: Solve for x
    x = 209,640,004.10/19,151.90
  6. Step 6: Final answer
    x = 10,946.17

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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.