Home / 19,389.58-29,087.10-7,541.05

Finding the Fourth Proportional to 19,389.58, 29,087.10 and 7,541.05

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Solution

The fourth proportional to 19,389.58, 29,087.10 and 7,541.05 is: 11,312.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,389.58 : 29,087.10 = 7,541.05 : x
  2. Step 2: Convert to fraction form
    19,389.58/29,087.10 = 7,541.05/x
  3. Step 3: Cross multiply
    19,389.58x = 29,087.10 × 7,541.05
  4. Step 4: Simplify right side
    19,389.58x = 219,347,257.28
  5. Step 5: Solve for x
    x = 219,347,257.28/19,389.58
  6. Step 6: Final answer
    x = 11,312.64

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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.