Home / 15,345.35-23,018.51-4,252.14

Finding the Fourth Proportional to 15,345.35, 23,018.51 and 4,252.14

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Solution

The fourth proportional to 15,345.35, 23,018.51 and 4,252.14 is: 6,378.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,345.35 : 23,018.51 = 4,252.14 : x
  2. Step 2: Convert to fraction form
    15,345.35/23,018.51 = 4,252.14/x
  3. Step 3: Cross multiply
    15,345.35x = 23,018.51 × 4,252.14
  4. Step 4: Simplify right side
    15,345.35x = 97,877,937.74
  5. Step 5: Solve for x
    x = 97,877,937.74/15,345.35
  6. Step 6: Final answer
    x = 6,378.35

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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.