Home / 9,320.02-13,980.30-4,126.30

Finding the Fourth Proportional to 9,320.02, 13,980.30 and 4,126.30

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Solution

The fourth proportional to 9,320.02, 13,980.30 and 4,126.30 is: 6,189.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,320.02 : 13,980.30 = 4,126.30 : x
  2. Step 2: Convert to fraction form
    9,320.02/13,980.30 = 4,126.30/x
  3. Step 3: Cross multiply
    9,320.02x = 13,980.30 × 4,126.30
  4. Step 4: Simplify right side
    9,320.02x = 57,686,911.89
  5. Step 5: Solve for x
    x = 57,686,911.89/9,320.02
  6. Step 6: Final answer
    x = 6,189.57

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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.