Home / 10,579.47-15,730.74-10,136.58

Finding the Fourth Proportional to 10,579.47, 15,730.74 and 10,136.58

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Solution

The fourth proportional to 10,579.47, 15,730.74 and 10,136.58 is: 15,072.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,579.47 : 15,730.74 = 10,136.58 : x
  2. Step 2: Convert to fraction form
    10,579.47/15,730.74 = 10,136.58/x
  3. Step 3: Cross multiply
    10,579.47x = 15,730.74 × 10,136.58
  4. Step 4: Simplify right side
    10,579.47x = 159,455,904.47
  5. Step 5: Solve for x
    x = 159,455,904.47/10,579.47
  6. Step 6: Final answer
    x = 15,072.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.