Home / 21,574.86-29,772.63-12,014.76

Finding the Fourth Proportional to 21,574.86, 29,772.63 and 12,014.76

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Solution

The fourth proportional to 21,574.86, 29,772.63 and 12,014.76 is: 16,579.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,574.86 : 29,772.63 = 12,014.76 : x
  2. Step 2: Convert to fraction form
    21,574.86/29,772.63 = 12,014.76/x
  3. Step 3: Cross multiply
    21,574.86x = 29,772.63 × 12,014.76
  4. Step 4: Simplify right side
    21,574.86x = 357,711,004.02
  5. Step 5: Solve for x
    x = 357,711,004.02/21,574.86
  6. Step 6: Final answer
    x = 16,579.99

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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.