Home / 10,011.02-15,018.08-3,435.62

Finding the Fourth Proportional to 10,011.02, 15,018.08 and 3,435.62

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Solution

The fourth proportional to 10,011.02, 15,018.08 and 3,435.62 is: 5,153.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,011.02 : 15,018.08 = 3,435.62 : x
  2. Step 2: Convert to fraction form
    10,011.02/15,018.08 = 3,435.62/x
  3. Step 3: Cross multiply
    10,011.02x = 15,018.08 × 3,435.62
  4. Step 4: Simplify right side
    10,011.02x = 51,596,323.74
  5. Step 5: Solve for x
    x = 51,596,323.74/10,011.02
  6. Step 6: Final answer
    x = 5,153.96

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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.