Home / 19,970.61-27,564.24-12,011.31

Finding the Fourth Proportional to 19,970.61, 27,564.24 and 12,011.31

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Solution

The fourth proportional to 19,970.61, 27,564.24 and 12,011.31 is: 16,578.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,970.61 : 27,564.24 = 12,011.31 : x
  2. Step 2: Convert to fraction form
    19,970.61/27,564.24 = 12,011.31/x
  3. Step 3: Cross multiply
    19,970.61x = 27,564.24 × 12,011.31
  4. Step 4: Simplify right side
    19,970.61x = 331,082,631.55
  5. Step 5: Solve for x
    x = 331,082,631.55/19,970.61
  6. Step 6: Final answer
    x = 16,578.49

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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.