Home / 9,970.16-14,935.32-9,153.68

Finding the Fourth Proportional to 9,970.16, 14,935.32 and 9,153.68

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Solution

The fourth proportional to 9,970.16, 14,935.32 and 9,153.68 is: 13,712.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,970.16 : 14,935.32 = 9,153.68 : x
  2. Step 2: Convert to fraction form
    9,970.16/14,935.32 = 9,153.68/x
  3. Step 3: Cross multiply
    9,970.16x = 14,935.32 × 9,153.68
  4. Step 4: Simplify right side
    9,970.16x = 136,713,139.98
  5. Step 5: Solve for x
    x = 136,713,139.98/9,970.16
  6. Step 6: Final answer
    x = 13,712.23

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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.