Home / 14,042.32-21,047.28-5,271.64

Finding the Fourth Proportional to 14,042.32, 21,047.28 and 5,271.64

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Solution

The fourth proportional to 14,042.32, 21,047.28 and 5,271.64 is: 7,901.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,042.32 : 21,047.28 = 5,271.64 : x
  2. Step 2: Convert to fraction form
    14,042.32/21,047.28 = 5,271.64/x
  3. Step 3: Cross multiply
    14,042.32x = 21,047.28 × 5,271.64
  4. Step 4: Simplify right side
    14,042.32x = 110,953,683.14
  5. Step 5: Solve for x
    x = 110,953,683.14/14,042.32
  6. Step 6: Final answer
    x = 7,901.38

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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.