Home / 20,434.04-30,643.08-7,952.42

Finding the Fourth Proportional to 20,434.04, 30,643.08 and 7,952.42

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Solution

The fourth proportional to 20,434.04, 30,643.08 and 7,952.42 is: 11,925.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,434.04 : 30,643.08 = 7,952.42 : x
  2. Step 2: Convert to fraction form
    20,434.04/30,643.08 = 7,952.42/x
  3. Step 3: Cross multiply
    20,434.04x = 30,643.08 × 7,952.42
  4. Step 4: Simplify right side
    20,434.04x = 243,686,642.25
  5. Step 5: Solve for x
    x = 243,686,642.25/20,434.04
  6. Step 6: Final answer
    x = 11,925.52

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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.