Home / 22,509.24-31,056.44-12,948.63

Finding the Fourth Proportional to 22,509.24, 31,056.44 and 12,948.63

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Solution

The fourth proportional to 22,509.24, 31,056.44 and 12,948.63 is: 17,865.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,509.24 : 31,056.44 = 12,948.63 : x
  2. Step 2: Convert to fraction form
    22,509.24/31,056.44 = 12,948.63/x
  3. Step 3: Cross multiply
    22,509.24x = 31,056.44 × 12,948.63
  4. Step 4: Simplify right side
    22,509.24x = 402,138,285.93
  5. Step 5: Solve for x
    x = 402,138,285.93/22,509.24
  6. Step 6: Final answer
    x = 17,865.48

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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.