Home / 19,340.40-26,695.80-12,266.40

Finding the Fourth Proportional to 19,340.40, 26,695.80 and 12,266.40

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Solution

The fourth proportional to 19,340.40, 26,695.80 and 12,266.40 is: 16,931.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,340.40 : 26,695.80 = 12,266.40 : x
  2. Step 2: Convert to fraction form
    19,340.40/26,695.80 = 12,266.40/x
  3. Step 3: Cross multiply
    19,340.40x = 26,695.80 × 12,266.40
  4. Step 4: Simplify right side
    19,340.40x = 327,461,361.12
  5. Step 5: Solve for x
    x = 327,461,361.12/19,340.40
  6. Step 6: Final answer
    x = 16,931.47

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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.