Home / 19,258.66-26,567.10-12,555.52

Finding the Fourth Proportional to 19,258.66, 26,567.10 and 12,555.52

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Solution

The fourth proportional to 19,258.66, 26,567.10 and 12,555.52 is: 17,320.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,258.66 : 26,567.10 = 12,555.52 : x
  2. Step 2: Convert to fraction form
    19,258.66/26,567.10 = 12,555.52/x
  3. Step 3: Cross multiply
    19,258.66x = 26,567.10 × 12,555.52
  4. Step 4: Simplify right side
    19,258.66x = 333,563,755.39
  5. Step 5: Solve for x
    x = 333,563,755.39/19,258.66
  6. Step 6: Final answer
    x = 17,320.20

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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.