Home / 14,088.61-19,442.58-7,715.47

Finding the Fourth Proportional to 14,088.61, 19,442.58 and 7,715.47

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Solution

The fourth proportional to 14,088.61, 19,442.58 and 7,715.47 is: 10,647.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,088.61 : 19,442.58 = 7,715.47 : x
  2. Step 2: Convert to fraction form
    14,088.61/19,442.58 = 7,715.47/x
  3. Step 3: Cross multiply
    14,088.61x = 19,442.58 × 7,715.47
  4. Step 4: Simplify right side
    14,088.61x = 150,008,642.71
  5. Step 5: Solve for x
    x = 150,008,642.71/14,088.61
  6. Step 6: Final answer
    x = 10,647.51

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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.