Home / 10,030.07-15,047.12-6,911.57

Finding the Fourth Proportional to 10,030.07, 15,047.12 and 6,911.57

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Solution

The fourth proportional to 10,030.07, 15,047.12 and 6,911.57 is: 10,368.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,030.07 : 15,047.12 = 6,911.57 : x
  2. Step 2: Convert to fraction form
    10,030.07/15,047.12 = 6,911.57/x
  3. Step 3: Cross multiply
    10,030.07x = 15,047.12 × 6,911.57
  4. Step 4: Simplify right side
    10,030.07x = 103,999,165.22
  5. Step 5: Solve for x
    x = 103,999,165.22/10,030.07
  6. Step 6: Final answer
    x = 10,368.74

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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.