Home / 20,941.08-31,384.86-9,823.24

Finding the Fourth Proportional to 20,941.08, 31,384.86 and 9,823.24

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Solution

The fourth proportional to 20,941.08, 31,384.86 and 9,823.24 is: 14,722.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,941.08 : 31,384.86 = 9,823.24 : x
  2. Step 2: Convert to fraction form
    20,941.08/31,384.86 = 9,823.24/x
  3. Step 3: Cross multiply
    20,941.08x = 31,384.86 × 9,823.24
  4. Step 4: Simplify right side
    20,941.08x = 308,301,012.15
  5. Step 5: Solve for x
    x = 308,301,012.15/20,941.08
  6. Step 6: Final answer
    x = 14,722.31

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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.