Home / 19,242.81-26,547.75-11,686.29

Finding the Fourth Proportional to 19,242.81, 26,547.75 and 11,686.29

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Solution

The fourth proportional to 19,242.81, 26,547.75 and 11,686.29 is: 16,122.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,242.81 : 26,547.75 = 11,686.29 : x
  2. Step 2: Convert to fraction form
    19,242.81/26,547.75 = 11,686.29/x
  3. Step 3: Cross multiply
    19,242.81x = 26,547.75 × 11,686.29
  4. Step 4: Simplify right side
    19,242.81x = 310,244,705.35
  5. Step 5: Solve for x
    x = 310,244,705.35/19,242.81
  6. Step 6: Final answer
    x = 16,122.63

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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.