Home / 19,621.79-29,393.28-9,077.04

Finding the Fourth Proportional to 19,621.79, 29,393.28 and 9,077.04

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Solution

The fourth proportional to 19,621.79, 29,393.28 and 9,077.04 is: 13,597.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,621.79 : 29,393.28 = 9,077.04 : x
  2. Step 2: Convert to fraction form
    19,621.79/29,393.28 = 9,077.04/x
  3. Step 3: Cross multiply
    19,621.79x = 29,393.28 × 9,077.04
  4. Step 4: Simplify right side
    19,621.79x = 266,803,895.62
  5. Step 5: Solve for x
    x = 266,803,895.62/19,621.79
  6. Step 6: Final answer
    x = 13,597.32

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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.