Home / 14,120.16-19,485.27-7,832.40

Finding the Fourth Proportional to 14,120.16, 19,485.27 and 7,832.40

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Solution

The fourth proportional to 14,120.16, 19,485.27 and 7,832.40 is: 10,808.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,120.16 : 19,485.27 = 7,832.40 : x
  2. Step 2: Convert to fraction form
    14,120.16/19,485.27 = 7,832.40/x
  3. Step 3: Cross multiply
    14,120.16x = 19,485.27 × 7,832.40
  4. Step 4: Simplify right side
    14,120.16x = 152,616,428.75
  5. Step 5: Solve for x
    x = 152,616,428.75/14,120.16
  6. Step 6: Final answer
    x = 10,808.41

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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.