Home / 19,752.30-29,609.55-9,881.64

Finding the Fourth Proportional to 19,752.30, 29,609.55 and 9,881.64

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Solution

The fourth proportional to 19,752.30, 29,609.55 and 9,881.64 is: 14,813.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,752.30 : 29,609.55 = 9,881.64 : x
  2. Step 2: Convert to fraction form
    19,752.30/29,609.55 = 9,881.64/x
  3. Step 3: Cross multiply
    19,752.30x = 29,609.55 × 9,881.64
  4. Step 4: Simplify right side
    19,752.30x = 292,590,913.66
  5. Step 5: Solve for x
    x = 292,590,913.66/19,752.30
  6. Step 6: Final answer
    x = 14,813.00

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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.