Home / 19,292.43-28,931.29-6,810.13

Finding the Fourth Proportional to 19,292.43, 28,931.29 and 6,810.13

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Solution

The fourth proportional to 19,292.43, 28,931.29 and 6,810.13 is: 10,212.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,292.43 : 28,931.29 = 6,810.13 : x
  2. Step 2: Convert to fraction form
    19,292.43/28,931.29 = 6,810.13/x
  3. Step 3: Cross multiply
    19,292.43x = 28,931.29 × 6,810.13
  4. Step 4: Simplify right side
    19,292.43x = 197,025,756.61
  5. Step 5: Solve for x
    x = 197,025,756.61/19,292.43
  6. Step 6: Final answer
    x = 10,212.59

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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.