Home / 14,184.78-21,271.56-4,822.91

Finding the Fourth Proportional to 14,184.78, 21,271.56 and 4,822.91

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Solution

The fourth proportional to 14,184.78, 21,271.56 and 4,822.91 is: 7,232.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,184.78 : 21,271.56 = 4,822.91 : x
  2. Step 2: Convert to fraction form
    14,184.78/21,271.56 = 4,822.91/x
  3. Step 3: Cross multiply
    14,184.78x = 21,271.56 × 4,822.91
  4. Step 4: Simplify right side
    14,184.78x = 102,590,713.08
  5. Step 5: Solve for x
    x = 102,590,713.08/14,184.78
  6. Step 6: Final answer
    x = 7,232.45

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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.