Home / 19,365.90-29,045.80-5,326.98

Finding the Fourth Proportional to 19,365.90, 29,045.80 and 5,326.98

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Solution

The fourth proportional to 19,365.90, 29,045.80 and 5,326.98 is: 7,989.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,365.90 : 29,045.80 = 5,326.98 : x
  2. Step 2: Convert to fraction form
    19,365.90/29,045.80 = 5,326.98/x
  3. Step 3: Cross multiply
    19,365.90x = 29,045.80 × 5,326.98
  4. Step 4: Simplify right side
    19,365.90x = 154,726,250.46
  5. Step 5: Solve for x
    x = 154,726,250.46/19,365.90
  6. Step 6: Final answer
    x = 7,989.63

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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.