Home / 13,441.68-18,547.48-7,473.40

Finding the Fourth Proportional to 13,441.68, 18,547.48 and 7,473.40

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Solution

The fourth proportional to 13,441.68, 18,547.48 and 7,473.40 is: 10,312.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,441.68 : 18,547.48 = 7,473.40 : x
  2. Step 2: Convert to fraction form
    13,441.68/18,547.48 = 7,473.40/x
  3. Step 3: Cross multiply
    13,441.68x = 18,547.48 × 7,473.40
  4. Step 4: Simplify right side
    13,441.68x = 138,612,737.03
  5. Step 5: Solve for x
    x = 138,612,737.03/13,441.68
  6. Step 6: Final answer
    x = 10,312.16

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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.