Home / 12,655.09-17,466.16-7,352.98

Finding the Fourth Proportional to 12,655.09, 17,466.16 and 7,352.98

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Solution

The fourth proportional to 12,655.09, 17,466.16 and 7,352.98 is: 10,148.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,655.09 : 17,466.16 = 7,352.98 : x
  2. Step 2: Convert to fraction form
    12,655.09/17,466.16 = 7,352.98/x
  3. Step 3: Cross multiply
    12,655.09x = 17,466.16 × 7,352.98
  4. Step 4: Simplify right side
    12,655.09x = 128,428,325.16
  5. Step 5: Solve for x
    x = 128,428,325.16/12,655.09
  6. Step 6: Final answer
    x = 10,148.35

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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.