Home / 15,618.52-21,558.18-10,904.32

Finding the Fourth Proportional to 15,618.52, 21,558.18 and 10,904.32

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Solution

The fourth proportional to 15,618.52, 21,558.18 and 10,904.32 is: 15,051.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,618.52 : 21,558.18 = 10,904.32 : x
  2. Step 2: Convert to fraction form
    15,618.52/21,558.18 = 10,904.32/x
  3. Step 3: Cross multiply
    15,618.52x = 21,558.18 × 10,904.32
  4. Step 4: Simplify right side
    15,618.52x = 235,077,293.34
  5. Step 5: Solve for x
    x = 235,077,293.34/15,618.52
  6. Step 6: Final answer
    x = 15,051.19

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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.