Home / 22,611.95-31,206.08-12,541.35

Finding the Fourth Proportional to 22,611.95, 31,206.08 and 12,541.35

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Solution

The fourth proportional to 22,611.95, 31,206.08 and 12,541.35 is: 17,307.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,611.95 : 31,206.08 = 12,541.35 : x
  2. Step 2: Convert to fraction form
    22,611.95/31,206.08 = 12,541.35/x
  3. Step 3: Cross multiply
    22,611.95x = 31,206.08 × 12,541.35
  4. Step 4: Simplify right side
    22,611.95x = 391,366,371.41
  5. Step 5: Solve for x
    x = 391,366,371.41/22,611.95
  6. Step 6: Final answer
    x = 17,307.94

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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.