Home / 19,178.50-26,466.26-10,680.72

Finding the Fourth Proportional to 19,178.50, 26,466.26 and 10,680.72

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Solution

The fourth proportional to 19,178.50, 26,466.26 and 10,680.72 is: 14,739.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,178.50 : 26,466.26 = 10,680.72 : x
  2. Step 2: Convert to fraction form
    19,178.50/26,466.26 = 10,680.72/x
  3. Step 3: Cross multiply
    19,178.50x = 26,466.26 × 10,680.72
  4. Step 4: Simplify right side
    19,178.50x = 282,678,712.51
  5. Step 5: Solve for x
    x = 282,678,712.51/19,178.50
  6. Step 6: Final answer
    x = 14,739.35

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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.