Home / 15,415.65-23,109.57-5,547.96

Finding the Fourth Proportional to 15,415.65, 23,109.57 and 5,547.96

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Solution

The fourth proportional to 15,415.65, 23,109.57 and 5,547.96 is: 8,316.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,415.65 : 23,109.57 = 5,547.96 : x
  2. Step 2: Convert to fraction form
    15,415.65/23,109.57 = 5,547.96/x
  3. Step 3: Cross multiply
    15,415.65x = 23,109.57 × 5,547.96
  4. Step 4: Simplify right side
    15,415.65x = 128,210,969.98
  5. Step 5: Solve for x
    x = 128,210,969.98/15,415.65
  6. Step 6: Final answer
    x = 8,316.94

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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.