Home / 19,422.77-29,130.30-8,889.93

Finding the Fourth Proportional to 19,422.77, 29,130.30 and 8,889.93

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Solution

The fourth proportional to 19,422.77, 29,130.30 and 8,889.93 is: 13,333.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,422.77 : 29,130.30 = 8,889.93 : x
  2. Step 2: Convert to fraction form
    19,422.77/29,130.30 = 8,889.93/x
  3. Step 3: Cross multiply
    19,422.77x = 29,130.30 × 8,889.93
  4. Step 4: Simplify right side
    19,422.77x = 258,966,327.88
  5. Step 5: Solve for x
    x = 258,966,327.88/19,422.77
  6. Step 6: Final answer
    x = 13,333.13

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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.