Home / 19,293.29-28,940.54-6,642.91

Finding the Fourth Proportional to 19,293.29, 28,940.54 and 6,642.91

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Solution

The fourth proportional to 19,293.29, 28,940.54 and 6,642.91 is: 9,964.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,293.29 : 28,940.54 = 6,642.91 : x
  2. Step 2: Convert to fraction form
    19,293.29/28,940.54 = 6,642.91/x
  3. Step 3: Cross multiply
    19,293.29x = 28,940.54 × 6,642.91
  4. Step 4: Simplify right side
    19,293.29x = 192,249,402.57
  5. Step 5: Solve for x
    x = 192,249,402.57/19,293.29
  6. Step 6: Final answer
    x = 9,964.57

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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.