Home / 10,257.19-14,154.93-5,541.48

Finding the Fourth Proportional to 10,257.19, 14,154.93 and 5,541.48

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Solution

The fourth proportional to 10,257.19, 14,154.93 and 5,541.48 is: 7,647.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,257.19 : 14,154.93 = 5,541.48 : x
  2. Step 2: Convert to fraction form
    10,257.19/14,154.93 = 5,541.48/x
  3. Step 3: Cross multiply
    10,257.19x = 14,154.93 × 5,541.48
  4. Step 4: Simplify right side
    10,257.19x = 78,439,261.50
  5. Step 5: Solve for x
    x = 78,439,261.50/10,257.19
  6. Step 6: Final answer
    x = 7,647.25

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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.