Home / 15,916.01-21,964.52-9,543.65

Finding the Fourth Proportional to 15,916.01, 21,964.52 and 9,543.65

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Solution

The fourth proportional to 15,916.01, 21,964.52 and 9,543.65 is: 13,170.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,916.01 : 21,964.52 = 9,543.65 : x
  2. Step 2: Convert to fraction form
    15,916.01/21,964.52 = 9,543.65/x
  3. Step 3: Cross multiply
    15,916.01x = 21,964.52 × 9,543.65
  4. Step 4: Simplify right side
    15,916.01x = 209,621,533.76
  5. Step 5: Solve for x
    x = 209,621,533.76/15,916.01
  6. Step 6: Final answer
    x = 13,170.48

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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.