Home / 13,547.54-18,695.62-7,579.32

Finding the Fourth Proportional to 13,547.54, 18,695.62 and 7,579.32

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Solution

The fourth proportional to 13,547.54, 18,695.62 and 7,579.32 is: 10,459.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,547.54 : 18,695.62 = 7,579.32 : x
  2. Step 2: Convert to fraction form
    13,547.54/18,695.62 = 7,579.32/x
  3. Step 3: Cross multiply
    13,547.54x = 18,695.62 × 7,579.32
  4. Step 4: Simplify right side
    13,547.54x = 141,700,086.58
  5. Step 5: Solve for x
    x = 141,700,086.58/13,547.54
  6. Step 6: Final answer
    x = 10,459.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.