Home / 16,574.40-22,881.14-12,789.07

Finding the Fourth Proportional to 16,574.40, 22,881.14 and 12,789.07

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Solution

The fourth proportional to 16,574.40, 22,881.14 and 12,789.07 is: 17,655.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,574.40 : 22,881.14 = 12,789.07 : x
  2. Step 2: Convert to fraction form
    16,574.40/22,881.14 = 12,789.07/x
  3. Step 3: Cross multiply
    16,574.40x = 22,881.14 × 12,789.07
  4. Step 4: Simplify right side
    16,574.40x = 292,628,501.14
  5. Step 5: Solve for x
    x = 292,628,501.14/16,574.40
  6. Step 6: Final answer
    x = 17,655.45

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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.