Home / 15,510.12-23,265.63-5,656.77

Finding the Fourth Proportional to 15,510.12, 23,265.63 and 5,656.77

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Solution

The fourth proportional to 15,510.12, 23,265.63 and 5,656.77 is: 8,485.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,510.12 : 23,265.63 = 5,656.77 : x
  2. Step 2: Convert to fraction form
    15,510.12/23,265.63 = 5,656.77/x
  3. Step 3: Cross multiply
    15,510.12x = 23,265.63 × 5,656.77
  4. Step 4: Simplify right side
    15,510.12x = 131,608,317.82
  5. Step 5: Solve for x
    x = 131,608,317.82/15,510.12
  6. Step 6: Final answer
    x = 8,485.32

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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.