Home / 12,955.02-19,390.76-6,706.43

Finding the Fourth Proportional to 12,955.02, 19,390.76 and 6,706.43

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Solution

The fourth proportional to 12,955.02, 19,390.76 and 6,706.43 is: 10,038.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,955.02 : 19,390.76 = 6,706.43 : x
  2. Step 2: Convert to fraction form
    12,955.02/19,390.76 = 6,706.43/x
  3. Step 3: Cross multiply
    12,955.02x = 19,390.76 × 6,706.43
  4. Step 4: Simplify right side
    12,955.02x = 130,042,774.59
  5. Step 5: Solve for x
    x = 130,042,774.59/12,955.02
  6. Step 6: Final answer
    x = 10,038.02

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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.