Home / 22,779.51-34,168.05-6,139.28

Finding the Fourth Proportional to 22,779.51, 34,168.05 and 6,139.28

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Solution

The fourth proportional to 22,779.51, 34,168.05 and 6,139.28 is: 9,208.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,779.51 : 34,168.05 = 6,139.28 : x
  2. Step 2: Convert to fraction form
    22,779.51/34,168.05 = 6,139.28/x
  3. Step 3: Cross multiply
    22,779.51x = 34,168.05 × 6,139.28
  4. Step 4: Simplify right side
    22,779.51x = 209,767,055.16
  5. Step 5: Solve for x
    x = 209,767,055.16/22,779.51
  6. Step 6: Final answer
    x = 9,208.59

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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.