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Finding the Fourth Proportional to 14,891.95, 22,303.90 and 7,106.23

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Solution

The fourth proportional to 14,891.95, 22,303.90 and 7,106.23 is: 10,643.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,891.95 : 22,303.90 = 7,106.23 : x
  2. Step 2: Convert to fraction form
    14,891.95/22,303.90 = 7,106.23/x
  3. Step 3: Cross multiply
    14,891.95x = 22,303.90 × 7,106.23
  4. Step 4: Simplify right side
    14,891.95x = 158,496,496.25
  5. Step 5: Solve for x
    x = 158,496,496.25/14,891.95
  6. Step 6: Final answer
    x = 10,643.10

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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.