Home / 10,368.49-15,547.86-3,790.08

Finding the Fourth Proportional to 10,368.49, 15,547.86 and 3,790.08

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Solution

The fourth proportional to 10,368.49, 15,547.86 and 3,790.08 is: 5,683.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368.49 : 15,547.86 = 3,790.08 : x
  2. Step 2: Convert to fraction form
    10,368.49/15,547.86 = 3,790.08/x
  3. Step 3: Cross multiply
    10,368.49x = 15,547.86 × 3,790.08
  4. Step 4: Simplify right side
    10,368.49x = 58,927,633.23
  5. Step 5: Solve for x
    x = 58,927,633.23/10,368.49
  6. Step 6: Final answer
    x = 5,683.34

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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.