Home / 19,894.71-29,853.61-7,423.35

Finding the Fourth Proportional to 19,894.71, 29,853.61 and 7,423.35

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Solution

The fourth proportional to 19,894.71, 29,853.61 and 7,423.35 is: 11,139.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,894.71 : 29,853.61 = 7,423.35 : x
  2. Step 2: Convert to fraction form
    19,894.71/29,853.61 = 7,423.35/x
  3. Step 3: Cross multiply
    19,894.71x = 29,853.61 × 7,423.35
  4. Step 4: Simplify right side
    19,894.71x = 221,613,707.04
  5. Step 5: Solve for x
    x = 221,613,707.04/19,894.71
  6. Step 6: Final answer
    x = 11,139.33

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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.