Home / 10,011.18-15,018.58-3,435.90

Finding the Fourth Proportional to 10,011.18, 15,018.58 and 3,435.90

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Solution

The fourth proportional to 10,011.18, 15,018.58 and 3,435.90 is: 5,154.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,011.18 : 15,018.58 = 3,435.90 : x
  2. Step 2: Convert to fraction form
    10,011.18/15,018.58 = 3,435.90/x
  3. Step 3: Cross multiply
    10,011.18x = 15,018.58 × 3,435.90
  4. Step 4: Simplify right side
    10,011.18x = 51,602,339.02
  5. Step 5: Solve for x
    x = 51,602,339.02/10,011.18
  6. Step 6: Final answer
    x = 5,154.47

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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.