Home / 10,647.02-15,968.36-2,854.02

Finding the Fourth Proportional to 10,647.02, 15,968.36 and 2,854.02

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Solution

The fourth proportional to 10,647.02, 15,968.36 and 2,854.02 is: 4,280.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,647.02 : 15,968.36 = 2,854.02 : x
  2. Step 2: Convert to fraction form
    10,647.02/15,968.36 = 2,854.02/x
  3. Step 3: Cross multiply
    10,647.02x = 15,968.36 × 2,854.02
  4. Step 4: Simplify right side
    10,647.02x = 45,574,018.81
  5. Step 5: Solve for x
    x = 45,574,018.81/10,647.02
  6. Step 6: Final answer
    x = 4,280.45

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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.