Home / 30,278.02-45,415.16-11,298.96

Finding the Fourth Proportional to 30,278.02, 45,415.16 and 11,298.96

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Solution

The fourth proportional to 30,278.02, 45,415.16 and 11,298.96 is: 16,947.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,278.02 : 45,415.16 = 11,298.96 : x
  2. Step 2: Convert to fraction form
    30,278.02/45,415.16 = 11,298.96/x
  3. Step 3: Cross multiply
    30,278.02x = 45,415.16 × 11,298.96
  4. Step 4: Simplify right side
    30,278.02x = 513,144,076.23
  5. Step 5: Solve for x
    x = 513,144,076.23/30,278.02
  6. Step 6: Final answer
    x = 16,947.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.