Home / 14,172.32-21,259.36-4,312.32

Finding the Fourth Proportional to 14,172.32, 21,259.36 and 4,312.32

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Solution

The fourth proportional to 14,172.32, 21,259.36 and 4,312.32 is: 6,468.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,172.32 : 21,259.36 = 4,312.32 : x
  2. Step 2: Convert to fraction form
    14,172.32/21,259.36 = 4,312.32/x
  3. Step 3: Cross multiply
    14,172.32x = 21,259.36 × 4,312.32
  4. Step 4: Simplify right side
    14,172.32x = 91,677,163.32
  5. Step 5: Solve for x
    x = 91,677,163.32/14,172.32
  6. Step 6: Final answer
    x = 6,468.75

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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.