Home / 14,434.56-19,915.74-9,131.58

Finding the Fourth Proportional to 14,434.56, 19,915.74 and 9,131.58

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Solution

The fourth proportional to 14,434.56, 19,915.74 and 9,131.58 is: 12,599.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,434.56 : 19,915.74 = 9,131.58 : x
  2. Step 2: Convert to fraction form
    14,434.56/19,915.74 = 9,131.58/x
  3. Step 3: Cross multiply
    14,434.56x = 19,915.74 × 9,131.58
  4. Step 4: Simplify right side
    14,434.56x = 181,862,173.07
  5. Step 5: Solve for x
    x = 181,862,173.07/14,434.56
  6. Step 6: Final answer
    x = 12,599.08

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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.