Home / 10,521.95-15,783.02-2,730.76

Finding the Fourth Proportional to 10,521.95, 15,783.02 and 2,730.76

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Solution

The fourth proportional to 10,521.95, 15,783.02 and 2,730.76 is: 4,096.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,521.95 : 15,783.02 = 2,730.76 : x
  2. Step 2: Convert to fraction form
    10,521.95/15,783.02 = 2,730.76/x
  3. Step 3: Cross multiply
    10,521.95x = 15,783.02 × 2,730.76
  4. Step 4: Simplify right side
    10,521.95x = 43,099,596.82
  5. Step 5: Solve for x
    x = 43,099,596.82/10,521.95
  6. Step 6: Final answer
    x = 4,096.16

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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.