Home / 10,362.47-15,548.29-5,430.93

Finding the Fourth Proportional to 10,362.47, 15,548.29 and 5,430.93

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Solution

The fourth proportional to 10,362.47, 15,548.29 and 5,430.93 is: 8,148.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,362.47 : 15,548.29 = 5,430.93 : x
  2. Step 2: Convert to fraction form
    10,362.47/15,548.29 = 5,430.93/x
  3. Step 3: Cross multiply
    10,362.47x = 15,548.29 × 5,430.93
  4. Step 4: Simplify right side
    10,362.47x = 84,441,674.61
  5. Step 5: Solve for x
    x = 84,441,674.61/10,362.47
  6. Step 6: Final answer
    x = 8,148.80

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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.