Home / 14,203.86-21,312.45-7,283.22

Finding the Fourth Proportional to 14,203.86, 21,312.45 and 7,283.22

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Solution

The fourth proportional to 14,203.86, 21,312.45 and 7,283.22 is: 10,928.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,203.86 : 21,312.45 = 7,283.22 : x
  2. Step 2: Convert to fraction form
    14,203.86/21,312.45 = 7,283.22/x
  3. Step 3: Cross multiply
    14,203.86x = 21,312.45 × 7,283.22
  4. Step 4: Simplify right side
    14,203.86x = 155,223,262.09
  5. Step 5: Solve for x
    x = 155,223,262.09/14,203.86
  6. Step 6: Final answer
    x = 10,928.25

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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.