Home / 13,066.10-19,599.15-9,785.60

Finding the Fourth Proportional to 13,066.10, 19,599.15 and 9,785.60

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Solution

The fourth proportional to 13,066.10, 19,599.15 and 9,785.60 is: 14,678.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,066.10 : 19,599.15 = 9,785.60 : x
  2. Step 2: Convert to fraction form
    13,066.10/19,599.15 = 9,785.60/x
  3. Step 3: Cross multiply
    13,066.10x = 19,599.15 × 9,785.60
  4. Step 4: Simplify right side
    13,066.10x = 191,789,442.24
  5. Step 5: Solve for x
    x = 191,789,442.24/13,066.10
  6. Step 6: Final answer
    x = 14,678.40

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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.