Home / 19,775.61-29,663.35-8,088.82

Finding the Fourth Proportional to 19,775.61, 29,663.35 and 8,088.82

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Solution

The fourth proportional to 19,775.61, 29,663.35 and 8,088.82 is: 12,133.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,775.61 : 29,663.35 = 8,088.82 : x
  2. Step 2: Convert to fraction form
    19,775.61/29,663.35 = 8,088.82/x
  3. Step 3: Cross multiply
    19,775.61x = 29,663.35 × 8,088.82
  4. Step 4: Simplify right side
    19,775.61x = 239,941,647.06
  5. Step 5: Solve for x
    x = 239,941,647.06/19,775.61
  6. Step 6: Final answer
    x = 12,133.21

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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.