Home / 14,040.36-21,047.52-5,281.08

Finding the Fourth Proportional to 14,040.36, 21,047.52 and 5,281.08

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Solution

The fourth proportional to 14,040.36, 21,047.52 and 5,281.08 is: 7,916.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,040.36 : 21,047.52 = 5,281.08 : x
  2. Step 2: Convert to fraction form
    14,040.36/21,047.52 = 5,281.08/x
  3. Step 3: Cross multiply
    14,040.36x = 21,047.52 × 5,281.08
  4. Step 4: Simplify right side
    14,040.36x = 111,153,636.92
  5. Step 5: Solve for x
    x = 111,153,636.92/14,040.36
  6. Step 6: Final answer
    x = 7,916.72

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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.