Home / 15,779.88-23,669.36-4,686.55

Finding the Fourth Proportional to 15,779.88, 23,669.36 and 4,686.55

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Solution

The fourth proportional to 15,779.88, 23,669.36 and 4,686.55 is: 7,029.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,779.88 : 23,669.36 = 4,686.55 : x
  2. Step 2: Convert to fraction form
    15,779.88/23,669.36 = 4,686.55/x
  3. Step 3: Cross multiply
    15,779.88x = 23,669.36 × 4,686.55
  4. Step 4: Simplify right side
    15,779.88x = 110,927,574.08
  5. Step 5: Solve for x
    x = 110,927,574.08/15,779.88
  6. Step 6: Final answer
    x = 7,029.68

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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.