Home / 21,570.60-32,353.74-6,779.10

Finding the Fourth Proportional to 21,570.60, 32,353.74 and 6,779.10

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Solution

The fourth proportional to 21,570.60, 32,353.74 and 6,779.10 is: 10,167.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,570.60 : 32,353.74 = 6,779.10 : x
  2. Step 2: Convert to fraction form
    21,570.60/32,353.74 = 6,779.10/x
  3. Step 3: Cross multiply
    21,570.60x = 32,353.74 × 6,779.10
  4. Step 4: Simplify right side
    21,570.60x = 219,329,238.83
  5. Step 5: Solve for x
    x = 219,329,238.83/21,570.60
  6. Step 6: Final answer
    x = 10,167.97

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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.