Home / 9,389.30-14,100.15-5,015.30

Finding the Fourth Proportional to 9,389.30, 14,100.15 and 5,015.30

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Solution

The fourth proportional to 9,389.30, 14,100.15 and 5,015.30 is: 7,531.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,389.30 : 14,100.15 = 5,015.30 : x
  2. Step 2: Convert to fraction form
    9,389.30/14,100.15 = 5,015.30/x
  3. Step 3: Cross multiply
    9,389.30x = 14,100.15 × 5,015.30
  4. Step 4: Simplify right side
    9,389.30x = 70,716,482.30
  5. Step 5: Solve for x
    x = 70,716,482.30/9,389.30
  6. Step 6: Final answer
    x = 7,531.60

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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.