Home / 15,473.08-21,362.16-14,587.48

Finding the Fourth Proportional to 15,473.08, 21,362.16 and 14,587.48

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Solution

The fourth proportional to 15,473.08, 21,362.16 and 14,587.48 is: 20,139.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,473.08 : 21,362.16 = 14,587.48 : x
  2. Step 2: Convert to fraction form
    15,473.08/21,362.16 = 14,587.48/x
  3. Step 3: Cross multiply
    15,473.08x = 21,362.16 × 14,587.48
  4. Step 4: Simplify right side
    15,473.08x = 311,620,081.76
  5. Step 5: Solve for x
    x = 311,620,081.76/15,473.08
  6. Step 6: Final answer
    x = 20,139.50

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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.