Home / 10,366.29-15,547.14-2,970.72

Finding the Fourth Proportional to 10,366.29, 15,547.14 and 2,970.72

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Solution

The fourth proportional to 10,366.29, 15,547.14 and 2,970.72 is: 4,455.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,366.29 : 15,547.14 = 2,970.72 : x
  2. Step 2: Convert to fraction form
    10,366.29/15,547.14 = 2,970.72/x
  3. Step 3: Cross multiply
    10,366.29x = 15,547.14 × 2,970.72
  4. Step 4: Simplify right side
    10,366.29x = 46,186,199.74
  5. Step 5: Solve for x
    x = 46,186,199.74/10,366.29
  6. Step 6: Final answer
    x = 4,455.42

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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.