Home / 19,519.56-29,281.80-6,368.40

Finding the Fourth Proportional to 19,519.56, 29,281.80 and 6,368.40

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Solution

The fourth proportional to 19,519.56, 29,281.80 and 6,368.40 is: 9,553.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,519.56 : 29,281.80 = 6,368.40 : x
  2. Step 2: Convert to fraction form
    19,519.56/29,281.80 = 6,368.40/x
  3. Step 3: Cross multiply
    19,519.56x = 29,281.80 × 6,368.40
  4. Step 4: Simplify right side
    19,519.56x = 186,478,215.12
  5. Step 5: Solve for x
    x = 186,478,215.12/19,519.56
  6. Step 6: Final answer
    x = 9,553.40

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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.