Home / 19,788.16-27,307.56-10,713.46

Finding the Fourth Proportional to 19,788.16, 27,307.56 and 10,713.46

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Solution

The fourth proportional to 19,788.16, 27,307.56 and 10,713.46 is: 14,784.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,788.16 : 27,307.56 = 10,713.46 : x
  2. Step 2: Convert to fraction form
    19,788.16/27,307.56 = 10,713.46/x
  3. Step 3: Cross multiply
    19,788.16x = 27,307.56 × 10,713.46
  4. Step 4: Simplify right side
    19,788.16x = 292,558,451.76
  5. Step 5: Solve for x
    x = 292,558,451.76/19,788.16
  6. Step 6: Final answer
    x = 14,784.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.