Home / 12,368.55-17,054.87-9,529.59

Finding the Fourth Proportional to 12,368.55, 17,054.87 and 9,529.59

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Solution

The fourth proportional to 12,368.55, 17,054.87 and 9,529.59 is: 13,140.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,368.55 : 17,054.87 = 9,529.59 : x
  2. Step 2: Convert to fraction form
    12,368.55/17,054.87 = 9,529.59/x
  3. Step 3: Cross multiply
    12,368.55x = 17,054.87 × 9,529.59
  4. Step 4: Simplify right side
    12,368.55x = 162,525,870.96
  5. Step 5: Solve for x
    x = 162,525,870.96/12,368.55
  6. Step 6: Final answer
    x = 13,140.25

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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.