Home / 15,436.58-21,302.63-8,363.16

Finding the Fourth Proportional to 15,436.58, 21,302.63 and 8,363.16

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Solution

The fourth proportional to 15,436.58, 21,302.63 and 8,363.16 is: 11,541.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,436.58 : 21,302.63 = 8,363.16 : x
  2. Step 2: Convert to fraction form
    15,436.58/21,302.63 = 8,363.16/x
  3. Step 3: Cross multiply
    15,436.58x = 21,302.63 × 8,363.16
  4. Step 4: Simplify right side
    15,436.58x = 178,157,303.11
  5. Step 5: Solve for x
    x = 178,157,303.11/15,436.58
  6. Step 6: Final answer
    x = 11,541.24

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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.