Home / 10,384.96-15,574.56-2,886.80

Finding the Fourth Proportional to 10,384.96, 15,574.56 and 2,886.80

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Solution

The fourth proportional to 10,384.96, 15,574.56 and 2,886.80 is: 4,329.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,384.96 : 15,574.56 = 2,886.80 : x
  2. Step 2: Convert to fraction form
    10,384.96/15,574.56 = 2,886.80/x
  3. Step 3: Cross multiply
    10,384.96x = 15,574.56 × 2,886.80
  4. Step 4: Simplify right side
    10,384.96x = 44,960,639.81
  5. Step 5: Solve for x
    x = 44,960,639.81/10,384.96
  6. Step 6: Final answer
    x = 4,329.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.