Home / 19,279.81-26,602.66-10,782.10

Finding the Fourth Proportional to 19,279.81, 26,602.66 and 10,782.10

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Solution

The fourth proportional to 19,279.81, 26,602.66 and 10,782.10 is: 14,877.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,279.81 : 26,602.66 = 10,782.10 : x
  2. Step 2: Convert to fraction form
    19,279.81/26,602.66 = 10,782.10/x
  3. Step 3: Cross multiply
    19,279.81x = 26,602.66 × 10,782.10
  4. Step 4: Simplify right side
    19,279.81x = 286,832,540.39
  5. Step 5: Solve for x
    x = 286,832,540.39/19,279.81
  6. Step 6: Final answer
    x = 14,877.35

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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.