Home / 10,479.43-15,637.46-9,547.93

Finding the Fourth Proportional to 10,479.43, 15,637.46 and 9,547.93

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Solution

The fourth proportional to 10,479.43, 15,637.46 and 9,547.93 is: 14,247.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,479.43 : 15,637.46 = 9,547.93 : x
  2. Step 2: Convert to fraction form
    10,479.43/15,637.46 = 9,547.93/x
  3. Step 3: Cross multiply
    10,479.43x = 15,637.46 × 9,547.93
  4. Step 4: Simplify right side
    10,479.43x = 149,305,373.46
  5. Step 5: Solve for x
    x = 149,305,373.46/10,479.43
  6. Step 6: Final answer
    x = 14,247.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.