Home / 10,365.57-15,547.95-3,345.30

Finding the Fourth Proportional to 10,365.57, 15,547.95 and 3,345.30

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Solution

The fourth proportional to 10,365.57, 15,547.95 and 3,345.30 is: 5,017.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,365.57 : 15,547.95 = 3,345.30 : x
  2. Step 2: Convert to fraction form
    10,365.57/15,547.95 = 3,345.30/x
  3. Step 3: Cross multiply
    10,365.57x = 15,547.95 × 3,345.30
  4. Step 4: Simplify right side
    10,365.57x = 52,012,557.14
  5. Step 5: Solve for x
    x = 52,012,557.14/10,365.57
  6. Step 6: Final answer
    x = 5,017.82

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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.