Home / 10,390.21-15,585.35-2,599.02

Finding the Fourth Proportional to 10,390.21, 15,585.35 and 2,599.02

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Solution

The fourth proportional to 10,390.21, 15,585.35 and 2,599.02 is: 3,898.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,390.21 : 15,585.35 = 2,599.02 : x
  2. Step 2: Convert to fraction form
    10,390.21/15,585.35 = 2,599.02/x
  3. Step 3: Cross multiply
    10,390.21x = 15,585.35 × 2,599.02
  4. Step 4: Simplify right side
    10,390.21x = 40,506,623.36
  5. Step 5: Solve for x
    x = 40,506,623.36/10,390.21
  6. Step 6: Final answer
    x = 3,898.54

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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.