Home / 15,648.08-21,594.44-8,574.60

Finding the Fourth Proportional to 15,648.08, 21,594.44 and 8,574.60

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Solution

The fourth proportional to 15,648.08, 21,594.44 and 8,574.60 is: 11,833.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,648.08 : 21,594.44 = 8,574.60 : x
  2. Step 2: Convert to fraction form
    15,648.08/21,594.44 = 8,574.60/x
  3. Step 3: Cross multiply
    15,648.08x = 21,594.44 × 8,574.60
  4. Step 4: Simplify right side
    15,648.08x = 185,163,685.22
  5. Step 5: Solve for x
    x = 185,163,685.22/15,648.08
  6. Step 6: Final answer
    x = 11,833.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.