Home / 21,357.36-32,013.75-7,313.25

Finding the Fourth Proportional to 21,357.36, 32,013.75 and 7,313.25

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Solution

The fourth proportional to 21,357.36, 32,013.75 and 7,313.25 is: 10,962.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,357.36 : 32,013.75 = 7,313.25 : x
  2. Step 2: Convert to fraction form
    21,357.36/32,013.75 = 7,313.25/x
  3. Step 3: Cross multiply
    21,357.36x = 32,013.75 × 7,313.25
  4. Step 4: Simplify right side
    21,357.36x = 234,124,557.19
  5. Step 5: Solve for x
    x = 234,124,557.19/21,357.36
  6. Step 6: Final answer
    x = 10,962.24

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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.