Home / 10,547.40-14,555.79-6,300.30

Finding the Fourth Proportional to 10,547.40, 14,555.79 and 6,300.30

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Solution

The fourth proportional to 10,547.40, 14,555.79 and 6,300.30 is: 8,694.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,547.40 : 14,555.79 = 6,300.30 : x
  2. Step 2: Convert to fraction form
    10,547.40/14,555.79 = 6,300.30/x
  3. Step 3: Cross multiply
    10,547.40x = 14,555.79 × 6,300.30
  4. Step 4: Simplify right side
    10,547.40x = 91,705,843.74
  5. Step 5: Solve for x
    x = 91,705,843.74/10,547.40
  6. Step 6: Final answer
    x = 8,694.64

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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.