Home / 12,695.60-19,047.29-5,681.51

Finding the Fourth Proportional to 12,695.60, 19,047.29 and 5,681.51

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Solution

The fourth proportional to 12,695.60, 19,047.29 and 5,681.51 is: 8,524.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,695.60 : 19,047.29 = 5,681.51 : x
  2. Step 2: Convert to fraction form
    12,695.60/19,047.29 = 5,681.51/x
  3. Step 3: Cross multiply
    12,695.60x = 19,047.29 × 5,681.51
  4. Step 4: Simplify right side
    12,695.60x = 108,217,368.61
  5. Step 5: Solve for x
    x = 108,217,368.61/12,695.60
  6. Step 6: Final answer
    x = 8,524.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.