Home / 15,369.95-23,068.60-7,979.51

Finding the Fourth Proportional to 15,369.95, 23,068.60 and 7,979.51

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Solution

The fourth proportional to 15,369.95, 23,068.60 and 7,979.51 is: 11,976.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,369.95 : 23,068.60 = 7,979.51 : x
  2. Step 2: Convert to fraction form
    15,369.95/23,068.60 = 7,979.51/x
  3. Step 3: Cross multiply
    15,369.95x = 23,068.60 × 7,979.51
  4. Step 4: Simplify right side
    15,369.95x = 184,076,162.11
  5. Step 5: Solve for x
    x = 184,076,162.11/15,369.95
  6. Step 6: Final answer
    x = 11,976.37

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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.