Home / 19,128.78-26,397.70-10,630.64

Finding the Fourth Proportional to 19,128.78, 26,397.70 and 10,630.64

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Solution

The fourth proportional to 19,128.78, 26,397.70 and 10,630.64 is: 14,670.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,128.78 : 26,397.70 = 10,630.64 : x
  2. Step 2: Convert to fraction form
    19,128.78/26,397.70 = 10,630.64/x
  3. Step 3: Cross multiply
    19,128.78x = 26,397.70 × 10,630.64
  4. Step 4: Simplify right side
    19,128.78x = 280,624,267.03
  5. Step 5: Solve for x
    x = 280,624,267.03/19,128.78
  6. Step 6: Final answer
    x = 14,670.26

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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.