Home / 14,261.28-19,681.20-7,973.66

Finding the Fourth Proportional to 14,261.28, 19,681.20 and 7,973.66

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Solution

The fourth proportional to 14,261.28, 19,681.20 and 7,973.66 is: 11,004.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,261.28 : 19,681.20 = 7,973.66 : x
  2. Step 2: Convert to fraction form
    14,261.28/19,681.20 = 7,973.66/x
  3. Step 3: Cross multiply
    14,261.28x = 19,681.20 × 7,973.66
  4. Step 4: Simplify right side
    14,261.28x = 156,931,098.79
  5. Step 5: Solve for x
    x = 156,931,098.79/14,261.28
  6. Step 6: Final answer
    x = 11,004.00

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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.