Home / 13,973.94-19,284.93-7,686.90

Finding the Fourth Proportional to 13,973.94, 19,284.93 and 7,686.90

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Solution

The fourth proportional to 13,973.94, 19,284.93 and 7,686.90 is: 10,608.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,973.94 : 19,284.93 = 7,686.90 : x
  2. Step 2: Convert to fraction form
    13,973.94/19,284.93 = 7,686.90/x
  3. Step 3: Cross multiply
    13,973.94x = 19,284.93 × 7,686.90
  4. Step 4: Simplify right side
    13,973.94x = 148,241,328.42
  5. Step 5: Solve for x
    x = 148,241,328.42/13,973.94
  6. Step 6: Final answer
    x = 10,608.41

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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.