Home / 10,547.40-15,828.88-5,000.72

Finding the Fourth Proportional to 10,547.40, 15,828.88 and 5,000.72

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Solution

The fourth proportional to 10,547.40, 15,828.88 and 5,000.72 is: 7,504.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,547.40 : 15,828.88 = 5,000.72 : x
  2. Step 2: Convert to fraction form
    10,547.40/15,828.88 = 5,000.72/x
  3. Step 3: Cross multiply
    10,547.40x = 15,828.88 × 5,000.72
  4. Step 4: Simplify right side
    10,547.40x = 79,155,796.79
  5. Step 5: Solve for x
    x = 79,155,796.79/10,547.40
  6. Step 6: Final answer
    x = 7,504.77

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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.