Home / 10,430.89-15,646.34-4,888.13

Finding the Fourth Proportional to 10,430.89, 15,646.34 and 4,888.13

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Solution

The fourth proportional to 10,430.89, 15,646.34 and 4,888.13 is: 7,332.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,430.89 : 15,646.34 = 4,888.13 : x
  2. Step 2: Convert to fraction form
    10,430.89/15,646.34 = 4,888.13/x
  3. Step 3: Cross multiply
    10,430.89x = 15,646.34 × 4,888.13
  4. Step 4: Simplify right side
    10,430.89x = 76,481,277.93
  5. Step 5: Solve for x
    x = 76,481,277.93/10,430.89
  6. Step 6: Final answer
    x = 7,332.19

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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.