Home / 14,208.32-21,296.96-7,283.20

Finding the Fourth Proportional to 14,208.32, 21,296.96 and 7,283.20

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Solution

The fourth proportional to 14,208.32, 21,296.96 and 7,283.20 is: 10,916.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,208.32 : 21,296.96 = 7,283.20 : x
  2. Step 2: Convert to fraction form
    14,208.32/21,296.96 = 7,283.20/x
  3. Step 3: Cross multiply
    14,208.32x = 21,296.96 × 7,283.20
  4. Step 4: Simplify right side
    14,208.32x = 155,110,019.07
  5. Step 5: Solve for x
    x = 155,110,019.07/14,208.32
  6. Step 6: Final answer
    x = 10,916.84

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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.