Home / 23,315.30-34,931.48-13,434.16

Finding the Fourth Proportional to 23,315.30, 34,931.48 and 13,434.16

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Solution

The fourth proportional to 23,315.30, 34,931.48 and 13,434.16 is: 20,127.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,315.30 : 34,931.48 = 13,434.16 : x
  2. Step 2: Convert to fraction form
    23,315.30/34,931.48 = 13,434.16/x
  3. Step 3: Cross multiply
    23,315.30x = 34,931.48 × 13,434.16
  4. Step 4: Simplify right side
    23,315.30x = 469,275,091.36
  5. Step 5: Solve for x
    x = 469,275,091.36/23,315.30
  6. Step 6: Final answer
    x = 20,127.35

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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.