Home / 19,670.84-29,506.15-11,345.46

Finding the Fourth Proportional to 19,670.84, 29,506.15 and 11,345.46

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Solution

The fourth proportional to 19,670.84, 29,506.15 and 11,345.46 is: 17,018.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,670.84 : 29,506.15 = 11,345.46 : x
  2. Step 2: Convert to fraction form
    19,670.84/29,506.15 = 11,345.46/x
  3. Step 3: Cross multiply
    19,670.84x = 29,506.15 × 11,345.46
  4. Step 4: Simplify right side
    19,670.84x = 334,760,844.58
  5. Step 5: Solve for x
    x = 334,760,844.58/19,670.84
  6. Step 6: Final answer
    x = 17,018.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.