Home / 19,554.80-29,332.26-4,763.72

Finding the Fourth Proportional to 19,554.80, 29,332.26 and 4,763.72

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Solution

The fourth proportional to 19,554.80, 29,332.26 and 4,763.72 is: 7,145.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,554.80 : 29,332.26 = 4,763.72 : x
  2. Step 2: Convert to fraction form
    19,554.80/29,332.26 = 4,763.72/x
  3. Step 3: Cross multiply
    19,554.80x = 29,332.26 × 4,763.72
  4. Step 4: Simplify right side
    19,554.80x = 139,730,673.61
  5. Step 5: Solve for x
    x = 139,730,673.61/19,554.80
  6. Step 6: Final answer
    x = 7,145.59

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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.