Home / 21,497.56-29,676.71-14,339.45

Finding the Fourth Proportional to 21,497.56, 29,676.71 and 14,339.45

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Solution

The fourth proportional to 21,497.56, 29,676.71 and 14,339.45 is: 19,795.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,497.56 : 29,676.71 = 14,339.45 : x
  2. Step 2: Convert to fraction form
    21,497.56/29,676.71 = 14,339.45/x
  3. Step 3: Cross multiply
    21,497.56x = 29,676.71 × 14,339.45
  4. Step 4: Simplify right side
    21,497.56x = 425,547,699.21
  5. Step 5: Solve for x
    x = 425,547,699.21/21,497.56
  6. Step 6: Final answer
    x = 19,795.16

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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.