Home / 12,526.04-17,285.64-7,220.54

Finding the Fourth Proportional to 12,526.04, 17,285.64 and 7,220.54

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Solution

The fourth proportional to 12,526.04, 17,285.64 and 7,220.54 is: 9,964.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,526.04 : 17,285.64 = 7,220.54 : x
  2. Step 2: Convert to fraction form
    12,526.04/17,285.64 = 7,220.54/x
  3. Step 3: Cross multiply
    12,526.04x = 17,285.64 × 7,220.54
  4. Step 4: Simplify right side
    12,526.04x = 124,811,655.05
  5. Step 5: Solve for x
    x = 124,811,655.05/12,526.04
  6. Step 6: Final answer
    x = 9,964.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.