Home / 15,678.90-23,518.35-4,585.14

Finding the Fourth Proportional to 15,678.90, 23,518.35 and 4,585.14

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Solution

The fourth proportional to 15,678.90, 23,518.35 and 4,585.14 is: 6,877.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,678.90 : 23,518.35 = 4,585.14 : x
  2. Step 2: Convert to fraction form
    15,678.90/23,518.35 = 4,585.14/x
  3. Step 3: Cross multiply
    15,678.90x = 23,518.35 × 4,585.14
  4. Step 4: Simplify right side
    15,678.90x = 107,834,927.32
  5. Step 5: Solve for x
    x = 107,834,927.32/15,678.90
  6. Step 6: Final answer
    x = 6,877.71

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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.