Home / 19,934.74-27,501.39-12,762.89

Finding the Fourth Proportional to 19,934.74, 27,501.39 and 12,762.89

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Solution

The fourth proportional to 19,934.74, 27,501.39 and 12,762.89 is: 17,607.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,934.74 : 27,501.39 = 12,762.89 : x
  2. Step 2: Convert to fraction form
    19,934.74/27,501.39 = 12,762.89/x
  3. Step 3: Cross multiply
    19,934.74x = 27,501.39 × 12,762.89
  4. Step 4: Simplify right side
    19,934.74x = 350,997,215.42
  5. Step 5: Solve for x
    x = 350,997,215.42/19,934.74
  6. Step 6: Final answer
    x = 17,607.31

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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.